Beijing Great Sources Technology Development Co.,Ltd is a professional supplier for building materials and electro-mechanical devices.Our main products are valves and motors.Our products can be widely used in many industries, including most manufacturing and processing facilities such as those involved in water conservancy,power engineering,mining,environmental protection treatment facilities and so on.In China,we have years of experience providing products for electro-mechanical devices,construction of buildings,and also for after-sales service.We have integrated information and support professionally to supply you specialized,diversified and specific products and plans. We control all the stages of the goods movement from manufacture to the client and that is the warranty of our reliable supplies.That is why we provide supplies just in time. We can also be your purchasing center in China.We will give you complete service as your import/export agency including finding and purchasing goods,provide international transport,storage and delivery.Our honesty and responsibility has won trust and respect from customers at home and abroad. Our mission is providing every customer with the most reliable and fast total service