Pneumatic Fittings / Connection (PB4-01) Zhejiang BLCH Pneumatic Science & Technology Co., Ltd. Base Info Model NO.：PB4-01Trademark：BLCH,OEM,NATURALOrigin：China Description Pre：Hexagon Nipples / Connection (pH8-01) Next：Pneumatic Fittings / Connection (PD6-03)
