The fastener, the bridge piece, the turning, presses the riveting nut, the hollow nut, non-tender.
紧固件、连接件、车削件、压铆螺母、空心螺母、非标件。
2
My company mainly manages the bolt, the nut, the spring nut, the bolt, the gasket, the tooth stick, the expansion of metal screw, the heterogeneous pressing part, non-tender, hardware tool and so on.
Bidding price of tender company is more deeply studied more from non-cooperative bidding to cooperative bidding when the bidding model is built based on the bill of quantities.