欧美成人一区二免费视频软件,欧美成人一区二区三区在线视频,久久亚洲中文字幕无码,欧美a级毛欧美1级a大片式放,久久午夜夜伦鲁鲁片免费无码影视

我公司是專業(yè)從事生產彈簧墊圈及相關緊固件產品的企業(yè)。公司成立于2003年，主導產品有國標GB.日標JIS.德標DIN.美標ANSI/ASME.英標BS等各國標準型彈簧墊圈。同時還可生產鞍形彈墊DIN128A波形彈墊SPAK非組合及組合彈性件。公司引進日本工藝及技術，品質精良。

We engaged in the production of spring washers.The company was founded in 2003.Our products standards include GB,JIS,German DIN, ANSI/ASME, Bs standard and so on. We also can produce higher requirements of saddle pad shells(DIN128A),wave spring washer(SPAK)of combined and composite elastic parts.