宁波海信紧固件有限公司
Ningbo Haixin Hardware Co., LtdBooth：W3756

Exhibit Profile：
Heavy Hex Nuts ASTM A194 GR.2H, GR.2HM, GR.7, GR.7L，Diameter: 3/8”-4” ASME B18.2.4.6M Heavy Hex Nuts, ASTM A194M GR.2H，Diameter：M27-M72 DIN934 H=D Hex Nuts，ASTM A194 GR.2H, GR.2HM, GR.7, GR.7L，Diameter:M12-M72