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CHG's Hope Deepblue Air Conditioning Manufacturing Corporation Limited became a unit member of the National Technical Committee for the Standardisation of HVAC and Purification Equipment.
2014-09-30
more2014 National Advanced Enterprise with Excellent Performance Model
2014 National Advanced Enterprise with Excellent Performance Model
2014-09-24
moreHope Slanvert Technology Corporation Limited, a subsidiary of CHG
Hope Slanvert Technology Corporation Limited, a subsidiary of CHG, is involved in GB12668.3-2012 (Speed-controlled electrical drive systems - Part 3: Electromagnetic compatibility requirements and its specific test methods), GB12668.501-2013 (Speed-controlled electrical drive systems - Part 5-1: Safety requirements System - Part 5-1: Safety requirements Electrical, thermal and energy), GB/T 30843.1-2014 (General purpose variable frequency speed control equipment above 1kV but not exceeding 35kV Part 1: Technical conditions), GB/T 30844.2-2014 (1kV and below general purpose variable frequency speed control equipment part 2: Test methods) and other major national standards.
2014-09-19
moreCHG's Hope Slanvert Technology Corporation Limited's vector-controlled, speed-sensor-free, high-voltage inverter for belt conveyors helps the world's longest belt conveyor coal line.
2014-09-17
moreHope Slanvert Technology Corporation Limited, a subsidiary of CHG, participated in the development of two national standards, namely "Variable Frequency Speed Control Equipment for Machine Tools" and "Variable Frequency Control Equipment for Injection Moulding Machines", as the main drafting unit.
2014-09-14
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