深圳市深旺达科技有限公司 strictly selects the raw materials of phone polishing machine. 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.

Our success in the global market has shown other companies the brand influence of our brand-TBK and that for businesses of all sizes, it is vital that we recognize the importance of creating and maintaining a strong and positive corporate image so that more new customers will pour in to do business with us.

At TBK, our customer service is guaranteed to be as reliable as our phone polishing machine and other products. To better serve customers, we have successfully set up a group of service team to answer questions and solve the problems promptly.