Company Profile Qinhuangdao YDKL Plastics Co.,Ltd markets and distributes a complete range of valves and piping, for the industrial market and agricultural irrigation market. Applications include a wide variety of corrosive and high purity fluids as well as water.Throughout over 10 years of growth and development, We have remained committed to producing the highest quality products while providing outstanding service that exceeds customer expectations. YDKL has earned an unsurpassed reputation ...