Ningbo Huayi Pneumatic Engineering CO ., Ltd .(Former Fenghua huayi pneumatic engineering Co .,Ltd.) is a professional manufacturer with over 10 years’ experience in producing pneumatic components . at present , it is a member of China Hydraulic Pneumatic Sealing Element Industry association and a member of fenghua Pneumatic Industry Association . Xikou Mould Factory affiliated to the company specializes in making moulds and thus ensures the...