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Jinan Zhengfeng Machinery Co., Ltd. is a professional manufacturer of insulating glass machine and aluminum & PVC door and window machine.

For many years, Zhengfeng Machine has been committed to the production, assembly, sales and service of aluminum door and window machine, insulating glass machine and PVC door and window machine.

With scientific and rigorous management, the products are sold well all over the country and exported to Russia, Kazakhstan, Vietnam and other countries. Become a well-known brand in the industry.