- worm gear
- 2016-10-24 08:27
- 1. OEM SERVICES FOR VARIOUS KINDS OF PRECISION METAL WORM GEAR2. ISO 9001:20003. PRECISION: +/- 0.0014. CUSTOMERS DRAWIN
- stainless steel valve stem
- 2016-10-22 23:18
- stainless steel valve stem/spindle material:304 316 CF8 CF8M size:1/4''--20'' certification:ISO9001:2000 JIS BS GB ANSI