Taiwan Wall top seal (OTP) - Professional seal manufacturer. We have been committed to the design and development of rubber seals, production and processing operations, because the focus, so professional. Complete quality management system, rigorous scientific style and corporate culture has cast a generation of innovative boutique -OTP. Taiwan Wall top seal (OTP) brand the mainland and Taiwan are increasingly being recognized by the industry, recognized and praised. Currently, our customers are: Auto Parts & Accessories, chemical, electrical, electrical, electronic components, pharmaceuticals, industrial equipment and components, instrumentation, lighting, machinery, hardware and tools, sanitary ware.