Hebei Cangzhou Fengyi Testing Instrument Co., Ltd. (formerly known as Gangyuan Instrument Factory) was founded in 1986. It is a professional manufacturer and seller of waterproof roll testing instruments. After years of efforts, our products have continuously innovated and absorbed advanced technologies from both domestic and foreign sources. Our adhesive pull-out tester, steel bar bending tester, waterproof roll instrument, asphalt instrument and other products are widely used in various roll factories, colleges and universities, quality inspection departments, water conservancy construction and other fields. While producing and selling our own products, our factory has maintained good cooperative relationships with various well-known domestic manufacturers, exchanging goods and acting as agents to sell various brand products at more favorable prices than the factory price. We can enable our customers to use higher quality products at lower prices. The products operated by our factory all meet the national requirements and pass the metrological inspection before leaving the factory. Our factory will continue to provide you with high-quality service with reasonable and fair price advantages, proactive and enthusiastic service attitude, and skilled after-sales guarantee. We adhere to the business principles of fast delivery, contract compliance, implementation of three guarantees, and tracking services, and wholeheartedly serve our customers.