ZhongXing metal cable trunking factory is the earliest factory in producing metal cable trunking cable support systems and in GuangZhou.Since 1988 our factory always take customer first ,win by quality as the aim.We produce the products by high quality materials ,in the same time .our factory was stict examinaed by AJA and has gained ISO 9001 certificatd .the factory became the first factory that own ISO9001 certificate again.