2019-12-29 1584
Hardware surface processing can be divided into: Hardware painting processing, electroplating, surface polishing processing, hardware corrosion processing and so on. Surface processing of hardware
2019-12-29 1445
With the development of automobile industry and China's accession to WTO, the quality and cost price of automobile forgings in domestic and international market are becoming more and more demand
2019-12-29 1518
1. Physical function The most basic function is to resist wind pressure, which is the most fundamental judgment of the quality of doors and windows, and the influence of hardware accessories on thi
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