ZhanTONG is one of the world's leading manufacturers and developers of Fiber Optic Splice Closure (FOSC) and Termination Box. Our customers operate in more than 80 countries in the world, most of them used 3M or Tyco closure before. ZTONG is also the eligible supplier of of Fiberhome, ZTE and HUAWEI. Our customers are mostly telecom operators in domestic market, such as China Telecom, China Mobile and China CNC.

After ten years development, ZTONG has possessed 6 series more than 500 models splice closure and 8 models termination box so far, and has got 16 national product patent which had been registered in different countries subsequently. Innovation and specialized in FOSC made ZTONG became No.1 manufacturer in product series and patent in the world.

Fiber Optic Splice Closures manufactured by ZTONG has a lot of outstanding features, such as reasonable structure, high quality material based on advanced formula, reliable and long-lasting sealing and good resealing performance for reuses, easy installing. The expert's conclusion to our splice closure from National Scientific and Technical Committee is that the structure, technique, technical indicators and performance of the product keep ahead in China FOSC field and reach advanced international standard.

ZTONG is a famous brand in the fiber industry for its products quality, complete product series and quick response to customers. Precision, innovative and customer focus, these three guiding principles govern the quality of the products we provide, and are key to the trust we have built up with our customers domestic and abroad over the years.