Company Profile

Company Overview

Over 10-year professional mobile phone accessories manufacturer

6,000sqm production line area|Dual-brand positioning|OEM/ODM factory

10 Years' OEM/ODM Manufacturer
Shenzhen Duomiba Technology Co., Ltd. was established in 2013. It is a well-known manufacturer of mobile phone accessories and mobile devices, specializing in OEM and ODM services, with more than 10 years of foreign trade experience.

Products Come with CE, RoHS, BSCI, ISO 9001 Certifications
The factory covers an area of more than 8,000 square meters, with more than 300 employees, 10+ R&D teams, 5 design teams, and 10+ sales teams. We have a professional design team and a group of professional sales staff, and can provide one-stop service from design preparation, mold making, mass production, to packaging. We specialize in the production of mobile phone case printing machines, sublimation mobile phone cases, screen protector cutting machines, screen protectors, mobile phone repair machines, etc., which all come with complete certificates, including CE, RoHS, BSCI, ISO 9001, etc.

Strong R&D Capability
Our production is strictly carried out following standard processes. The production workshop ensures that each of our orders can be delivered on time, with high quality and the correct quantity. Our R&D engineers have backgrounds in electronic design, structure, and mold industries. The company has several patents, such as utility model patents and design patents. In the future, we will strive to create more intellectual property rights, deepen technology and product innovation, and continue to lead the progress and development of industry technology.

Contact Us Now
Tuoli has a professional sales team that provides customers with a satisfactory experience, responsible for answering any questions and considering any suggestions raised by customers, and thereby continuously improving Tuoli's products and brand. We provide customers with high-quality star-level services and establish a complete after-sales service system. Customer satisfaction is our motivation. We are committed to providing smartphone after-sales service, innovative technical services, and better products and solutions for more than 20,000 stores in more than 200 countries around the world. Contact us now to learn more.

Basic Information

Total Capitalization
US$2,000,000 to 2,999,999
Year Established
2013
Total Employees
450 to 499
Company Certificate
NA
Product Certificate
CE, ROHS, FCC
Business Type
 Manufacturer

Trading Capabilities

Total Annual Sales
US$35,000,000 to 39,999,999
Export Percentage
90 percent to 94 percent
OEM Service
Yes
Small Orders Accepted
Yes
Brand Names
IPhone, Samsung, Huawei, Xiaomi, VIVO, Motorola, oppo, Sony, Lenovo, DELL
Payment Terms
TT, PAYPAL , WU, L/C
Main Competitive Advantages
Buyer's Specifications Accepted, Experienced R&D Department, Large Product Line, OBM (Own Branding & Manufacturing), ODM (Original Designing & Manufacturing), OEM Capability, Production Capacity, Reliability, Reputation
Other Competitive Advantages
Strategic partner of world-renowned
Major Customer
IPhone, Samsung, Huawei, Xiaomi, VIVO, Motorola, oppo, Sony, Lenovo, DELL
Export Markets
 Asia ,  Australasia ,  Central/South America ,  Eastern Europe ,  Mid East/Africa ,  North America ,  Western Europe

Business Registration Details

Registered Company
深圳多咪巴科技有限公司
Registration Number
91440300MA5GLPM971
Company Registration Address
深圳市龙华区大浪街道上横朗社区上横朗工业区百富利工业园厂房B栋6层
* In China, company names and addresses are registered in Chinese only.

Production Capacity

Factory Information

Factory Size
10000 Square Metre
No. of Production Lines
10
Number of Production Staff
100 to 149
Number of QC Staff
5 to 9
Year Established
2013
Number of R & D Staff
20 to 29
Address
Floor 6, Building B, Baifuli Industrial Park, Shanghenglang Industrial, Longhua, Shenzhen, Guangdong, China

Other Production Capacity

Machinery/Production Process
10 years of ODM & OEM experience Our production and manufacturing operate strictly by the SOP process to produce the OEM/ODM orders. The production workshop is managed in strict accordance with 5S, and the management and employees communicate effectively from beginning to end to ensure that each of our orders is delivered on time with high quality and correct quantity. 1. Support OEM/ODM 2. Factory outlet 3. Support mixed batch 4. Brand alliance sales 5. Recruit agent
Site Advantages
It is near the metro station, with convenient transportation.
Why Choose Us
The company was established in 2013 and is a well-known manufacturer of mobile phone repair equipment. We are committed to providing smartphone after-sales supply chain business to overseas customers. It has provided innovative technical services and better products and solutions for mobile phone after-sales companies, training schools and mobile stores in more than 200 countries around the world. Our company's two major brands, TUOLl and Duomiba, focus on dual-brand positioning. We expanded the production line of 6,000 square meters in 2019.

Quality Control

Other Quality Control

Description of Quality Control/Technical Support Department
At Tuoli, our quality management department is committed to providing superior quality in every product we produce. We have a team of experienced engineers and technicians who implement strict quality control systems that meet international standards (ISO 9001 certification). From raw material inspection to final product testing, each manufacturing stage is meticulously checked using advanced measuring tools and automatic inspection systems. We prioritize accuracy, durability and consistency, performing performance tests under real-world conditions to ensure that machines meet customer specifications.
Quality Control Procedures
1. Material inspection: Verify that the original component meets the requirements using CMM/spectrometer. 2. Real-time production monitoring: Track alignment, pressure and speed through IoT sensors and correct errors instantly. 3. Durability testing: Simulate 24/7 high-volume operations to verify performance under pressure. 4. Final audit: Check mechanical safety, accuracy and appearance standards. 5. Traceability and improvement: Barcode-based data tracking and defect analysis ensure defects are less than 0.1%. 6. ISO 9001 certified and fully CE/RoHS compliant.

Business Registration Profile

by Experian

The supplier information below has been obtained from relevant government agencies in the supplier's country and is subject to change without prior notice. Business Registration Profile verification procedures were conducted by Experian, a third-party credit agency

Read Disclaimer
Registered Address
302, Building D, Zone B, Yuanfen Industrial Zone, Taoyuan Community, Dalang Subdistrict,; Longhua District, Shenzhen City
Incorporation Date
2021/02/04
Legal Form
Limited liability company
Company Status
Live
Registration Agency
Shenzhen Municipal Administration for Market Regulation
Registration No.
91440300MA5GLPM971
Authorized Capital
RMB 1,000,000
Paid-Up Capital
NA
Import & Export License
Yes
Legal Representative
LIANG Delong
Business Scope
General operations: research, development and sale of electronic products, digital products, electronic equipment, power tools, hardware products, fixtures, toughened glass, toughened films; domestic trade; import and export of goods and technology
Business Permit Expiry
Shareholders
WANG Heshui;LIANG Delong;LIANG Demi

Certifications

Product Certifications
Image Standard / Number Issued by Validity Product Name Model
  • CE CE Shenzhen Tian Hai Test Technology Co.,Ltd.

    2023/03/16

    ~

    No Expiry Date

    screen protector cutter machine View list
  • ROHS ROHS Huaxun testing (Shenzhen) Group Co., Ltd

    2022/09/06

    ~

    No Expiry Date

    UV Curing Machine View list
  • FCC FCC Tong Chuang Tian Hai Technology Service Co.,Ltd.

    2025/03/11

    ~

    No Expiry Date

    Sublimation Machine View list

Codes Of Conduct

Equal Employment Opportunity/Non-discrimination
We believe that all terms and conditions of employment should be based on an individual's ability to do the job and not on the basis of personal characteristics or beliefs. We provide employees with a working environment free of discrimination, harassment, intimidation, or coercion relating directly or indirectly to race, religion, sexual orientation, political opinion, or disability.
Policy on Forced Labour
We do not use any prison, slave, indentured, or forced labor in the manufacture of any of our products.
Policy on Child Labour
We do not utilize child labor in the production of any product. We do not employ any person under the age of 15 (or 14 where local law allows), or the age at which compulsory schooling has ended, whichever is greater.
Policy on Hours of Labour
We maintain reasonable employee work hours based on the limits on regular and overtime hours allowed by local law, or where local law does not limit the hours of work, the regular work week. Overtime, when necessary, is fully compensated according to local law, or at a rate at least equal to the regular hourly compensation rate if there is no legally prescribed premium rate. Employees are permitted reasonable days off (at least one day off in every seven-day period) and leave privileges.
Policy on Coercion and Harassment
We acknowledge the value of our staff and treat each employee with dignity and respect. We do not use cruel and unusual disciplinary practices such as threats of violence or other forms of physical, sexual, psychological or verbal harassment or abuse.
Policy on Compensation
We fairly compensate our employees by complying with all applicable laws, including minimum wage laws, or the prevailing local industry wage, whichever is higher.
Policy on Health and Safety
We maintain a safe, clean, and healthy environment in compliance with all applicable laws and regulations. We provide adequate medical facilities, clean restrooms, reasonable access to potable water, well-lit and ventilated workstations, and protection from hazardous materials or conditions. The same standards of health and safety are applied in any housing we provide for our employees.
Policy on Concern for the Environment
We believe it is our duty to protect the environment, and we do this by complying with all applicable environmental laws and regulations.
Policy on Sensitive Transactions
It is our policy to prohibit employees from entering into sensitive transactions - business dealings generally considered to be either illegal, immoral, unethical or to reflect adversely on the integrity of the Company. These transactions usually come in the form of bribes, kickbacks, gifts of significant value, or payoffs made to favorably influence some decision affecting a company's business or for the personal gain of an individual.
Policy on Commercial Bribery
We prohibit employees from receiving, directly or indirectly, anything of value in return for using or agreeing to use his or her position for the benefit of that other person.
Similarly, commercial bribes, kickbacks, gratuities, and other payoffs and benefits paid to any customer are prohibited. However, this does not include expenditures of a reasonable amount for meals and entertainment of customers if they are otherwise lawful, and should be included on expense reports and approved under standard Company procedures.
Accounting Controls, Procedures and Records
We accurately keep books and records of all transactions and the dispositions of our assets as required by law, as well as maintain a system of internal accounting controls to ensure the reliability and adequacy of our books and records. We ensure that only transactions with proper management approval are accounted for in our books and records.
Use and Disclosure of Inside Information
We strictly prohibit the disclosure of material inside information to persons within the company whose positions deny access to such information. Inside information is any data that has not been publicly disclosed.
Confidential or Proprietary Information
We take extra care to keep our customers' trust and confidence in us. Thus, we prohibit employees from disclosing confidential or proprietary information outside the Company that could be harmful to our clients or to the Company itself. Such information may only be shared with other employees on a need-to-know basis.
Policy on Conflicts of Interest
We designed our policy to eliminate conflicts between the interests of employees and the Company. Since it is difficult to define what constitutes a conflict of interest, employees should be sensitive to situations that could raise questions of potential or apparent conflicts between personal interests and the Company's interests. Personal use of Company property or obtaining Company services for personal benefit may constitute a conflict of interest.
Policy on Fraud and Similar Irregularities
We strictly prohibit any fraudulent activity that might injure our customers and suppliers, as well as the Company. We follow certain procedures concerning the recognition, reporting, and investigation of any such activity.
Policy on Monitoring
We adopt a third-party monitoring program to confirm the Company's compliance with this Code of Conduct. Monitoring activities may include announced and unannounced on-site factory inspections, review of books and records relating to employment matters, and private interviews with employees.
Policy on Inspection and Certification
We designate one or more of our officers to inspect and certify that the company's Code of Conduct is being observed. Records of this certification shall be accessible to our employees, agents, or third parties upon request.
Intellectual Property
We strictly follow and respect all Intellectual Property rights during the conduct of our business worldwide.

Management

Quality Excellence: Driving Sustainable Business Growth
Prioritizing quality management fuels long-term success by minimizing errors, boosting customer trust, and optimizing resources. Organizations embracing quality-centric strategies see 28% higher ROI.
Key steps:
(1) Align leadership vision with quality KPIs
(2) Implement error-proof workflows
(3) Empower employees to take quality ownership
(4) Leverage customer feedback loops. Quality excellence isn't a cost - it's strategic differentiation that builds market resilience.
Contact Person
Ms.Wang, Sara
Job Title
BOSS

Trading Services

Trading Activities
We have been successfully conducting both import and export activities worldwide for 10+ years with suppliers and buyers.
Product Range
Phone case sublimation machine, sublimation phone case, screen protector cutting machine, screen protector, hydrogel film, etc.
Supply Chain Elements
Our Supply Chain Management focus is to provide a competitive advantage by working with our supply base to meet and exceed the needs of customers. Practices include the supplier evaluation process used by commodity teams who assess the desirability of a supplier for long-term alliance relationships.
Capital Financing Terms for Buyers
90-day payment terms can be arranged.
OEM Services
We provide one-stop service, including product development, production, packaging, transportation, etc.
Quality Control Measures
Our product testing process is strictly monitored to ensure the best quality for our clients. We inspect every step of production from basic materials to the finished products.
Product Inspection and Documentation Policies
Our Quality Control team strictly checks the specifications of the products before delivery to any buyer.
Product Shipping Terms for Buyers
All relevant taxes and shipping costs are to be shouldered by the buyer.
Minimum Order and Delivery Terms
A minimum order of 5,000 pieces for each product, and the delivery time of 5-7 days
Staff and Management Structure
Our management team works very closely with staff to ensure the development of quality products.
Staff Verbal and Written Communication Skills
All our staff are able to communicate effectively and professionally through written and verbal skills in the English language.
Major Buyers
Amazon, TikTok, eBay, Shopee, Supermarket, Shop, Store
Major Suppliers
TUOLI
Major Brands Traded
TUOLI
Key Areas of Expertise
Phone Case 3D Sublimation

OEM/ODM

Factory OEM/ODM Capabilities
Our professional staff and state-of-the-art equipment allow us to have the capability to design and manufacture a wide range of new items according to the buyer's requirements. Our ability to provide buyer labels and design services for our clients makes us an attractive choice.
Number of Production Lines
10
Factory Size
8000.0 Square Metre
Number of QC Staff
10 to 19
Number of Production Staff
100 to 149
Number of R & D Staff
20 to 29
Years of OEM/ODM Experience
10
Design Services Offered
Customized designs are available. We can design according to customer drawings or samples.
Buyer Labels Offered
Buyer labels are offered and accepted. We can provide the printed labels, labeling and packaging materials, including printed carton, container label and package inserts, used by the buyer and bearing the buyer's name for each product.
Monthly Capacity
100,000 to 119,999 Pieces
Monthly Output
80,000 to 89,999 Pieces
Minimum Order
1 to 99 Pieces
Major Markets Served
Eastern Europe, North America, Western Europe, Mid East/Africa, Australasia, Central/South America, Asia
Main OEM Customers
Kmart, Walmart, Amazon, TikTok, eBay, Shopee, Temu, Shop, Store, Supermarket

Best Phone Case Printing Machine

Benefits of Phone Case Sublimation Machine
Customization options: TUOLI sublimation machine for phone cases allows for easy customization. The custom phone case maker machine can print unique and personalized designs, including photos, logos, patterns, and text. This customization option of the phone back cover printing machine can attract more customers and allow you to offer a wider range of products.

High-resolution & durable prints: The mobile phone back cover printing machine creates high-resolution and vibrant prints that are resistant to fading, cracking, or peeling off over time. The prints are embedded into the material, providing long-lasting and durable results that can withstand daily wear and tear.

Quick turnaround time: Cell phone case sublimation printing machines are designed for fast and efficient printing. The process is relatively quick, allowing you to produce a large number of printed phone cases in a short period. This is especially beneficial for businesses with high demand or tight deadlines.

Versatility: TUOLI provides 2 kinds of sublimation machines for phone cases, for options: double-layer cases and single-layer cases. In addition, the TUOLI cell phone case printer machine can seamlessly collaborate with the Epson printer, allowing for smooth and efficient printing of high-quality designs on phone cases.

Eco-friendly: Sublimation printing is an eco-friendly printing method as it produces minimal waste and uses water-based inks. This makes it a more sustainable option compared to other traditional printing methods.
TUOLI Phone Case Sublimation Machine Solutions
3D vacuum sublimation technology: TUOLI cell phone case printer machine offers 3D vacuum sublimation technology, allowing for image details to extend to both sides of the phone case. This ensures a visually stunning and seamless design that covers the entire surface of the case, enhancing its overall aesthetic appeal.

Cost-effective: TUOLI mobile phone case sublimation machine requires less material and setup costs, making it a more affordable option for small or individual printing businesses. We have our own data system and APP, which allows easy access to exclusive photo galleries and sales records for better management.

Support various custom styles: 3d printing machine for mobile covers allows customers to fully show their individuality and create personalized phone cases that reflect their unique style or preferences. Customer can choose whatever pattern they like from default gallery or personal photo album to make an exclusive phone case.

Screen Protector Cutting Machine

Why You Need TUOLI Cutting Machine?
For mobile shops, mobile phone accessories account for a large sales volume. Moreover, screen protectors are the most popular among them. Are you tired of stocking screen protectors of different models and worrying about their sales volume? Well, TUOLI screen protector film cutter machine serves you. You will find how this amazing machine cuts different screen protectors for different users and helps you solve your inventory problems!

Production Workshop

Production
Our production and manufacturing are strictly carried out in accordance with standard processes. The production workshop has been ensuring that each of our orders can be delivered on time, with high quality and the correct quantity, and shipped in time, and the quality and quantity are maintained.

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