Jinan Jinya Machinery Co.,Ltd. is specialized in researching, developing , manufacturing & selling the equipment of aluminium and PVC doors ,windows &curtain walls and insulating glass produce line. The company seriously followed the modern enterprises' management criterion, JINYA possesses a high qualified team with rich experiences in terms of administering, designing,manufacturing as well as distribution services,a lot of engineers in doors and windows industry and insulating glass industry keep providing new products, boosting China doors & windows industry.