Liaocheng Hongyu Metal Co., Ltd mainly produces any kind of
washers, stamping parts and some standard nuts(DIN943) and
bolts(DIN933). In 2003, we set our own trade company in Qingdao.
Washers:
As follows washers (DIN, USS, SAE, BS, NFE, JIS, KS, special kinds,
etc) and stamping parts for constrcution, and marble. The surface
are five kinds: Plain, Zinc plated, Hot DIP Galv, Yellow zinc
plated, Black and so on.
The standards about washers like this: Not only DIN125, DIN126,
DIN127B, DIN128, DIN432, DIN433, DIN434, DIN435, DIN436, DIN440,
DIN463, DIN471, DIN472, DIN526, DIN93, DIN933, DIN1441, DIN1478,
DIN1479, DIN1480, DIN6916, DIN6797, DIN6798, DIN6904, DIN6905,
DIN6907, DIN6908, DIN6916, DIN6917, DIN6918, DIN7349, DIN7989,
DIN9021; Nfe25-513----nfe25-515; But also JIS, KS, BS 4320, etc.
And according to the client's design to produce the special
fasteners.
Drilling equipments:
Besides, we can manufactures the Stamping parts, oil rigs, pistons,
seats, valves, pistons assy, piston rubbers, etc. All these
products are accepted by API certificated. The quality is high. The
customers can use them safty.
The materials are A2, A4, A3, 70 #and so on. The delivery is on
time, quality is strict, the price is competitive. The price is FOB
China main port and CIF main port. The documents are form a, c/o
and b/l. Amping
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