五线风管生产线/日产3000平以上/异形件专业加工/无花高度镀锌层/密封性能好/量大可以提供免费提量服务/10年专业生产经验/可以提供安装服务/0.5-0.6-0.75-1.0-1.2规格全覆盖。
Five-line air duct production line/daily production of more than 3000 square meters/professional processing of special-shaped parts/non-flowered highly galvanized layer/good sealing performance/large quantity can provide free lifting service /10 years of professional production experience/can provide installation service / 0.5-0.6-0.75-1.01-1.2 specifications full coverage.
