About DONLEE
Guangdong DONLEE New Materials Technology Co., Ltd.
A national high-tech enterprise specializing in the R&D, manufacturing, and sales of surface protection films and functional film materials β with production bases in China and Vietnam, serving customers worldwide.
Our Story
DONLEE was founded in 2012 in Shunde District, Foshan, Guangdong β a major manufacturing hub in southern China. The company started with 4 PE blown film lines and 4 coating lines. Over the past 14 years, it has grown into a vertically integrated manufacturer with over 31 production lines, a 93,000 mΒ² campus, and more than 450 employees.
The core management and R&D team brings over 20 years of hands-on experience in protective film development. In 2017, DONLEE established a subsidiary in Vietnam, marking its first step toward global manufacturing. In 2023, the company launched its High-Performance Materials R&D and Manufacturing Headquarters, reinforcing its commitment to technology-driven growth.
Today, DONLEE serves leading global brands across consumer electronics, home appliances, building materials, and new energy sectors β including OPPO, vivo, Samsung, BYD, Lens Technology, and Sunwoda.
Global Presence
Milestones
Certifications & Qualifications
ISO 14001 Environmental Management
IATF 16949 Automotive Quality
Guangdong SRDI Enterprise
AEO Advanced Certified Enterprise
Foshan Innovative SME
Provincial Enterprise Technology Center
National IP Advantage Enterprise
Guangdong Famous Brand β PE Protective Film
R&D & Manufacturing
DONLEE operates a dedicated High-Performance Materials R&D Center staffed by over 50 engineers. The center holds provincial-level engineering technology research center and enterprise technology center designations. Core R&D capabilities span polymer formulation, adhesive development, co-extrusion process optimization, and precision coating technology.
Major production lines are sourced from leading international equipment manufacturers. Class 1000 cleanroom facilities ensure the cleanliness required for high-end electronic-grade films. A comprehensive traceability system monitors quality from incoming raw materials through finished product shipment.
The company holds multiple granted invention patents and maintains active technology exchange programs with major domestic electronics manufacturers, ensuring products stay aligned with evolving industry requirements.
Product Capabilities
Using PE, PET, and BOPP as base substrates, DONLEE produces five product lines covering 22 series. Adhesive technologies include acrylic, silicone, polyurethane, water-based, and rubber-based systems β each formulated for specific surface types, process requirements, and end-use conditions.
From construction-grade films for building materials to high-purity films for optical applications, the product range spans the full technical spectrum. The company supports both standard catalog products and custom-developed solutions.
Quality control includes 50+ dedicated QC personnel, in-house laboratory testing for peel force, haze, transmittance, surface energy, and environmental resistance, as well as QR-code traceability systems for select product lines.