The weatherproofing property of TDL Rendering System is tested by NBMI Quality Test Center of House-making Material in accordance with profession standard JG158-2004.

• 系统组成产品均经过国家建筑材料工业房建材料质量监督检验测试中心的监督检验，产品质量稳定可靠（中心编号2006-Q-2427）；