CHINST is a sub-branch of CST , which only povides high quality performance of led tubes with all kinds. works with lighting projector, house builders together to do the lighting solutions for markets needs . The company has a highly-skilled team to design and produce the products in-house . IES files and Test Report can be easily provided . Meanwhile , our engineer can help you design the DIALUX lighting project for free .we make comprehensive evaluation about the products price against the cost of replacement and maintenance in each recommendation. Company BusinessWe provide full ranges of led tube you need :600mm LED Tube 9W-12W 1200mm LED Tube 18W-24W1500mm LED Tube 25W-30WDimmable LED Tube with all lengthSensor LED Tube with all lengthLED Starter and Ballast compatiable LED tube2G11 LED Tube Round Circle LED Tube...