Factory Price 3 Inch Pipe Nipple - Original black thread pipe nipple NPT BSP carbon steel custimized length – Leyon

1) During and after production, 10 QC staffs with more than 10 years experience inspect products in random.Carbon Steel Pipe nipple of  Strict Quality Control

2) National accredited laboratory with CNAS certificates
3) Acceptable inspection from third party appointed/paid by buyer, such as SGS, BV.
4) Approved UL /FM, ISO9001, CE certificates.