Qingdao Sanhedacheng International Trade Co., Ltd: SDL is committed to delivering sustainable, trustworthy, and reliable powder machinery and powder raw materials such as epoxy resin and polyester resin. We have been serving the industry for over 15 years, and our experience makes us a prominent manufacturer and supplier. Our top priority is customer satisfaction, and we strive to provide exceptional service and competitive pricing, establishing long-term partnerships with our clients.