Yangzhou Hengchun Electronics Co., Ltd. is a high-tech joint-stock enterprise specializing in the development, production and sales of mechatronic, electronic communication and software products, with registered capital of 111.1 million RMB and total assets over 500 million RMB. The company professionally manufactures intelligent electric actuators, electro-hydraulic actuators and pneumatic actuators. Founded in April 1994 and headquartered in Hanjiang Industrial Park, Yangzhou, Jiangsu, it covers 64,000 m² with over 80,000 m² of buildings, and employs nearly 300 people, over 180 of whom hold college degrees and nearly 20 master's degrees.
Hengchun's core brand is the CKD series electric actuator. Its product lines cover four categories: electric actuators (10 series — CKD/CKDJ intelligent, CKDII/CKDJII smart, CKDH/CKDJH nuclear safety class, HQF fast-closing, HVQR power-fail reset, CHC marine and HVQ compact), electro-hydraulic actuators, hydro-pneumatic actuators and pneumatic actuators, serving refining, tank farms, long-distance pipelines, natural gas, LNG, thermal power, water treatment, steel, new chemical materials and marine applications.
Hengchun's certification coverage is among the most complete of Chinese brands:
| Series | Type | Torque range | Certification highlights | Typical applications |
|---|---|---|---|---|
| CKD | Multi-turn intelligent | 40–1500 N.m | SIL/ATEX/CE | Refining, tank farms, pipelines, LNG, power |
| CKDJ | Part-turn intelligent | 40–1500 N.m | SIL | Quarter-turn valves |
| CKDII | Multi-turn smart | 40–3000 N.m | SIL/CCS | High-torque smart duty |
| CKDJII | Part-turn smart | 100–1500 N.m | SIL/CCS/ATEX | Smart quarter-turn valves |
| CKDH | 1E K3 multi-turn | 40–2000 N.m | Nuclear 1E K3 | Nuclear gate & control valves |
| CKDJH | 1E K3 part-turn | 100–1000 N.m | Nuclear 1E K3 | Nuclear dampers, butterfly & ball valves |
| HQF | High-torque fast-closing | 500–3000 N.m | ExdIIBT4/SIL/IP68 | Fast-closing duty |
| HVQR | Power-fail reset | 100–1000 N.m | IP68 | Emergency shut-off on power loss |
| CHC | Marine | 50–1000 N.m | CCS/IP67 | Naval & civil vessels |
| HVQ | Compact intelligent | 20–100 N.m | IP68 | Small ball & butterfly valves |
See the series articles in this column for detailed specifications.
Related reading:CKD/CKDJ Intelligent Series | CKDII/CKDJII Smart Series | CKDH/CKDJH Nuclear Series | HQF/HVQR Safety Shut-off Series | CHC Marine / HVQ Compact Series
