The unique applicat..
     Because the bottom reinforced link sleeve roll forming steel structure, reinfo..
Sleeve is what to do
     1, refers to the short sleeve wrench sleeve. A special tool tighten or loosen ..

Baoding Huajian Machinery Co., Ltd is a professional production enterprise for connected devices and connecting sleeves of construction steel bar in China. Our company has been awarded the Well-known Trademark of Hebei and