Chongqing Duoduoduo Technology Co., Ltd. is located in Chongqing China, who has been devoted to clamping industry from 30 years ago, Duoduoduo has rich experience in R&D, design, manufacturing and sales of clamps, all products can be customized per your specifications, Duoduoduo is committed to providing customers with one-stop solutions of fasteners and hardware tools.Products cover all kinds of hose clamps like American type hose clamp, German type hose clamp, Air filter hose clamp, Saddle hose clamp, Heavy duty hose clamp, Single/Double wire hose clamp, Spring hose clamp, R type hose clamp and other customized hardware tools. They are widely used in different fields such as automobile, ship, construction, drainage, fire control, household, machinery, municipal project, agriculture, chemical and so on.What we offer: 1) Good quality control2) Highly competitive prices 3) state-of-art technology products4) Smooth communication5) Effective OEM&ODM serviceFastening our quality, fastening your value, Duoduoduo brings world closer. We look forward to working with you!