Founded in 1987, Tefulong Group Co., Ltd is a leading intelligent electric valve actuator manufacturer in China with the brand name of Greatork, it has 40,000 square meters's modern factory,more that 300 employees. Greatork actuator has got certificates like ISO9001,ISO14001:2004, 18001 OHSAS,IP68,ATEX,CE certificate, has supplied into more than 20 countries. Our main categories as following: For standard part-turn actuator, the output torque range from 50~110,000 Nm(78870 Ft-lbs) For standard multi-turn actuator, the output torque range from 35~16000 Nm(11792 Ft-lbs) For Linear actuator, the thrust range from (8.1-45.5KN) These actuator are available to work under IP68(15m under water for 90 hours) and ExdⅡCT4(-30℃~70℃) or extreme environment when specified. Besides, we have various part-turn and multi-turn gearbox for your choice.

ISO9001
ISO14001
OHSAS 18001
Water Tight Certificate IP68
Explosion proof certificate ATEX
CE certificate