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Key and lock as old prevention tools have been existed for long. Traditional mechanical locks always have low safety coefficient, lockset are easily to be opened by some simple tools, keys can also be easily replicated.Today, with the development of... More
Powercoil Free Running Inserts Power Coil Free Running Inserts provide strong permanent internal threads that resist heat and corrosion. Once fitted, their position is maintained by the action of radial pressure between their coils and the flanks of the... More
We are specialized in steel forging and we can produce all kinds of alloy steel 200,000 tons per year. We can produce all kinds of forged round bars. The max. out diameter is 800mm and Ultrasonic test quality, Heat treatment and rough machining can be... More
