五線風管生產線/日產3000平以上/異形件專業加工/無花高度鍍鋅層/密封性能好/量大可以提供免費提量服務/10年專業生產經驗/可以提供安裝服務/0.5-0.6-0.75-1.0-1.2規格全覆蓋。
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.
