最近免费中文字幕mv在线视频3,国产真人无码作爱免费视频APP,日本工囗漫画h无遮挡全彩,厨房一次又一次的索要

YUEOING GUANGLIAN FASTENER CO.LTD

Founded in 1990,it is a modern enterprise with headquarter located in Yueqing city, north white elephant machinery, with convenient transportation and experienced r&d team.By using medium carbon steel, 40Cr, 35Crmo , we produce Locknut GB889, DIN985 / DIN982 , GB6185 / GB6184, flange nut GB6177, flange locknut GB6183, flange lock nut GB6187 , cap nut GB923, groove GB6178 / GB58 / GB6180, thickening nut GB56, big to edge nut GB1229, thin nut GB6172 GB6173 / GB54, low-voltage nut GB6170 / GB6171, medium voltage nut GB6175 / nut GB6176, high voltage nut GB55, inch nut.The non-standard nuts can also be produced following given samples.The surfacing process includes blacking, galvanization, hot dip galvanization,and machinery galvanization. The mechanical properties of grade varies from level 8 to 12.