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Ningbo Zhongjiang High Strength Bolts Co,Ltd
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About Us
Our company is specially produce all kinds of fastners.Such as all classes of hex bolts,heavy hex bolts,also including DIN 934 nuts,2H nuts,A563 nuts,and so on. The chief products are threaded bar and studbolts.For example B7,L7,B7M,L7M&B16.The diameter is from 1/2"-4"with all different length.
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Studbolts is one of our major products.We start produce studbolts since 2003 ...
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our company was estabilished in 1998.We specially produce ASTM A194 2H,2HM,GR ...
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We procuce DIN 933,DIN 931, ASTM A193 B7 HEAVY HEX BOLTS,A320 L7 HEAVY HEX ...
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we produce ASTM A193 B7/A320 L7 THREAED BAR,A193 B7M/A320 L7M THREADEDDE BAR ...
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