Detailed description:

superior performance of the EPDM gasket
special dual-thread structure
sharp and quick drill bits
Comply with and exceed Australian Standard 3 (AS 3566 Class3)
superior corrosion resistance
operating quickly and easily
accepted by the roof manufacturer
through more than 1000 hours hydrochloride sputtering experiments
applicable to a wide range

The company passed ISO9002 certification.

Achieved Australian BHP companys certification,

 and Singapore SGS certification.

The products are exported to many countries in Asia and Europe and the United States.