Our Contact & Feedback
Address: 320National Road Jiande city Hangzhou city Zhejiang Province
Phone: +886 0571 64172555
Main factors causing metal rust
1) Atmospheric relative humidity At the same temperature, the percentage of the water vapor content of the atmosphere to its saturated water vapor content is called relative humidity. Below a certain ...
Hardware tools must be kept in a safe place
Metal products in hardware products, the main problem in the storage work is to prevent corrosion. Metal corrosion is caused by chemical or electrochemical action of the surrounding medium. Hardware t...
How to choose some hardware tools
1, hardware hardware hardware handle: used in the casement window. The main function is to press the sash against the window frame when the sash is closed to achieve the sealing function. Consumers sh...