In order to reduce the production cost and improve the protective performance, the blueing process came into beingMoreover, it has started to be applied in large quantities in the field of air conditioning compressor.

• ① 较磷化减少1/3的流程，成本降低；
• ② 耐湿热性能优异(120℃,100%RH,2atm,≥96h)；
• ③ 生产工艺安全环保。