Dongying On-tech Equipment Co., Ltd (DY On-tech) is located in Shengli oilfield, in the beautiful oil city, Dongying. We have professional technicians of oil field and precision hardware, and have more than 20 production workers in the workshop of precision aluminum. Our products are sold to North America, South America, The Middle East, South Asia, Europe, etc. The product quality is recognized by the international famous oil company. We are dedicated to establish long-term stable cooperative relationship with our customers. We offer services not only the price, products, and quality, but also all the after-sales service we can offer to help. Our mission is to provide customers with the best products.