Ningbo East Ventilation Engineering Co. Ltd.(original name is Yuyao Dongfang ventilation Engineering Co. Ltd), is a professional engaged in engineering design, ventilation installation and metal parts production enterprises, is a professional manufacturer of spiral wind pipe and fittings, is the industry standard production of the governing units, the best ventilation industry at home and abroad have the most perfect manufacturing process.

The company registered capital of $6 million 680 thousand, an area of more than 20 thousand square meters, has the world's most advanced Swiss company SPIRO full metal spiral wind pipe, fittings production lines, including the JRX R1530 automatic tube forming machine, plasma cutting machine, CU-30 (straight and curved) stitch welding machine, COMB machine, I triangle section locking to lock the machine, CNC spinning machine, in addition to the introduction of Japan AMD CNC punch and sheet metal....