TIANJIN ESTEL ELECTRONIC SCIENCE AND TECHNOLOGY CO., LTD
TIANJIN ESTEL ELECTRONIC SCIENCE AND TECHNOLOGY CO., LTD We are the professoinal supplier of outdoor telecom cabinet, air conditioner, heat exchanger, and telecom power system.
Our company resolutely implements the principle of quality first, we control and supervise the whole production process in strict accordance with the requirements of the ISO9001 system and the related implementation process. The quality department strictly controls all aspects like material inspection, production processes, product testing, shipment inspection and establishes traceable documents and product identification.
Our quality inspection team is very familiar with the various standards, strict implementation of the standards required sampling and testing methods.
