Guangzhou House Empire Construction&Furnishing Co.,Ltd strictly selects the raw materials of aluminium patio doors. We constantly check and screen all incoming raw materials by implementing an Incoming Quality Control - IQC. We take varies measurements to check against collected data. Once failed, we will send the defective or substandard raw materials back to suppliers.Thanks to the trust and support of customers, Digah Company has strong brand positioning in the international market. Customers' feedback on products promotes our development and keeps customers coming back repeatedly. Though these products are sold in a huge amount, we hold on quality products to retain customers' preference. 'Quality and Customer First' is our service rule.At Digah Company, customers don't need to worry about the transportation of the products like aluminium patio doors. By cooperating with reliable logistics companies, we guarantee the goods arrived safely and effectively.