a.) Factory direct
b.) OEM/ODM for our customers
c.) With certificates including ISO9001/ISO45001/ISO14001/CE certificate
d.) Class A for energy efficiency ("Energy Efficiency Star" evaluated by Ministry of Industry and Information Technology of China)
e.) Professional R&D and 24h maintenance service
f.) We have more than 70 patents, and 80 kinds of screw rotor profiles can meet user's requirements.