Foshan Nanhai Guanheng Steel Structure Co.,Ltd strictly selects the raw materials of antenna cover-antenna pole tower. We constantly check and screen all incoming raw materials by implementing an Incoming Quality Control - IQC. We take varies measurements to check against collected data. Once failed, we will send the defective or substandard raw materials back to suppliers.. To expand our GH brand, we conduct a systematic examination. We analyze what product categories are suitable for brand expansion and we make sure these products can offer specific solutions for customers' needs. We also research different cultural norms in the countries we plan to expand into because we learn that foreign customers' needs are probably different from those of domestic.. We pride ourselves with outstanding services that make our relationship with customers as easy as possible. We are constantly putting our services, equipment, and people to the test in order to better serve customers at GH Steel Structure. The test is based on our internal system which proves to be high efficiency in the improvement of service level..