Ningbo Longer Engineering & industry Co., Ltd specializes in import and export of large range auto parts, home appliance components, medical products, safety in addition to plastic injection moulds for cars appliances. We closely cooperate with many professional manufacturers ...

Shandong Kunzheng Mechanical Equipment Technology Co., Ltd is located in Qingzhou City, Province, China. We are a professional manufacturer with trading department of animal husbandry equipment and ventilation cooling equipment. have been engaged this industry for over ten years. Our main ...