精品人妻av区乱码丨夫妻免费无码v看片丨无码人妻毛片丰满熟妇区毛片丨人妻少妇久久久久久97人妻丨一道久在线无码加勒比

◆ Operation policy

'Skilled in work", 'Craftsman in heart",'Quality in practice", "Maintenance in constant".

◆ Quality Policy

Craftsmanship, quality excellence, innovation and progress, customer satisfaction.

From the technical strength, to the industrial supporting and the machining scale，Pinwei always walk in the forefront of the industry，continue to keep the leading position .innovate and expand the leading edge continuously.