ChinaPregalvanizedTrunkingCableTrayFactory Our History Our company 鈥揂nhua mainly produces cable trays, busways and etc. Our company is a provincial star enterprise, a secondary measurement enterprise and a super credit enterprise. In 2002, the company passed the ISO9001-2000 quality system certification. In 2005, the bus duct and switchgear passed the national 3C compulsory certification. In the same year, it obtained the certificate of "national electrical industry, assured quality and qualified products of national standards" from China Light Product Quality Assurance Center.http://www.ace-cabletray.com/