About us

We have professional Sales Group and two factories. One factory is located in Ningbo and another is in Tianjin. Shipment from Shanghai, Ningbo, or Tianjin port as you like. We have offices in Xi`an, Beijin, Jiaxing and USA. Sales can communicate with clients in English, French, Spanish, Arabic and Russian.

Siding Screw Hex washer head self-drilling screw with bonded EPDM washer

One screw, one pass, sealed. A case-hardened hex washer head fastener that drills its own hole, forms the mating thread in the steel behind the panel, and presses a bonded EPDM washer into a flat ga...
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Window & Door Installation Screws Countersunk Phillips head self-drilling screw with tapping screw thread

Window and door profiles are thin. Most of them are aluminium or uPVC skinned over a galvanised steel core, and there is rarely room in the section for a bolt head or a washer. This screw was drawn ...
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Stitch Screws Lap Screws | #12 Bi-Metal Sidelap Screws for Metal Roofs

Stitch screws and lap screws are the same fastener under two names. Short length, larger diameter, and a drill point that only has to get through the two sheets you are joining. That is the whole id...
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About us

Popular Products

Siding Screw Hex washer head self-drilling screw with bonded EPDM washer

Window & Door Installation Screws Countersunk Phillips head self-drilling screw with tapping screw thread

Stitch Screws Lap Screws | #12 Bi-Metal Sidelap Screws for Metal Roofs

Latest News

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