Founded in 2010, Shenzhen San Deli Precision Technology Co., Ltd. is a professional manufacturer specializing in E-PTFE, PU waterproof, oil-resistant, breathable, and acoustic membrane materials. Located in Songgang, Shenzhen, our 3,000㎡ factory employs over 80 skilled technicians and integrates R&D, production, and quality control to deliver high-performance solutions for global clients.
We manufacture:
Our products are widely used in:
“Waterproof Technology Serves Life” — We are committed to delivering reliable, high-performance membrane solutions that protect your devices while enabling optimal acoustic performance. San Deli looks forward to becoming your trusted partner in precision material manufacturing.
San Deli offers full-cycle OEM/ODM solutions, from material selection and formula development to finished product manufacturing. We support custom specifications based on your technical drawings or samples.
Advanced Production Facilities
We operate a modern manufacturing facility covering over 3,000 square meters in Shenzhen. Our production lines are equipped with advanced coating, laminating, and die-cutting machines to ensure high efficiency and precision.
Core Production Capacity
Production Environment
We maintain a clean and dust-free workshop environment to guarantee the performance of our waterproof and breathable membranes.
With a dedicated team of senior chemical engineers and material scientists, we continuously innovate to meet the evolving needs of the electronics and automotive industries.
We strictly follow the ISO9001:2015 quality management system. All our products are tested by professional equipment to ensure IP67/IP68 protection levels and optimal acoustic transmission.
We aim to become a global leader in precision membrane solutions, constantly pushing the boundaries of material science to serve life better.