HONGYU METAL is located in the famous production base of washer,Liaocheng city, Shandong province. The transportation is very convenient.The factory was founded in 2003.But it has long history experience for exported washers to the world.About products
The materials meet the severe requirements. Kinds as: A2 , A3 , A4 , copper .The standards about washers like this: Not only DIN125**IN126**IN127**IN128**IN433**IN434**IN435**IN436**IN1440**IN1441**IN7349**IN7989**FE 25-513----NFE25-515 **ut also JIS**S**S4320**ct. And according to the client** design to produce the special goods.Till now ,our factory continuously persists the following four high principles: high beginning, high investment, high advance equipment and the high-tech.
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HONGYU METAL is located in the famous production base of washer,Liaocheng city, Shandong province. The transportation is very convenient.The factory was founded in 2003.But it has long history experience for exported washers to the world.About products
The materials meet the severe requirements. Kinds as: A2 , A3 , A4 , copper .The standards about washers like this: Not only DIN125**IN126**IN127**IN128**IN433**IN434**IN435**IN436**IN1440**IN1441**IN7349**IN7989**FE 25-513----NFE25-515 **ut also JIS**S**S4320**ct. And according to the client** design to produce the special goods.Till now ,our factory continuously persists the following four high principles: high beginning, high investment, high advance equipment and the high-tech.