History of David Technology
Qingdao David Technology Co., Ltd. is a group company which located in Qingdao City of Shandong Province, subsidiaries three companies as below, we are professional manufacturer, designer and exporter of plastic and rubber products in China, we have manufactured and developed it since 2008, with high technology of working experience, we guarantee our products’ quality is more excellent than others.


Shandong ZTDredge Pipeline Co., Ltd.

ZTDredge focus on manufacturing pipelines. The products have been exported to more than 50 countries in global market.
HDPE Pipe, HDPE Fitting, UHMWPE Pipe, Plastic Floater, UPVC Pipe,
Rubber Suction / Discharge / Self-Floating Hose,

Customized Plastic Products (parts are installed for floating fish cage).
These products are widely used for: Dredging, Mining, Marine, Oil, Gas, Water of projects.

Shandong Z&Q Jetting Hose Co., Ltd.

Z&Q Jetting is specialized in producing thermoplastic hoses. So far, we have become the leading manufacturing thermoplastic hose in China.
High & Ultra High pressure thermoplastic hose, End fittings, Nozzles.
These products are widely used for: Water Jetting & Blasting & Cleaning, Paint Spray, Sewer Cleaning, Automotive Industry, High Pressure Hydraulic.

We know products’ quality is company’s life, so we are strict in testing all of products before shipping. All of products will be strictly inspected according to quality management system.
Our quality is very excellent and our price is very competitive. We have sold to more than sixty countries, such as North America, South America, Europe, Southeast Asia, Africa, Oceania, Mid East. We wish to cooperate with more customers forever!
Our principle: Excellent Quality, Competitive Price, Best Service,
Sincerely welcome you come to visit our factory at anytime!

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