Long service life 3945105508525939223-blid-8530609242995748066

เลขลับ น้ำหนักลูกบอล 2ตัวมาครบ 1/9/62

1. High temperature and pressure resistant raw material Q245R boiler plate with 16mm/18mm.

2. All cutting, rolling and welding works are finished by automatic machines.