Longkou Haoyang Rubber and Plastic Products Co., Ltd. is ounded in 2006. The company is located in the beautiful coastal city of Longkou, and is the leader in the caulking parts industry.

The company occupies an area of ​​25,000 square meters. After years of unremitting growth, the company has become the largest manufacturer of caulking parts in China. It has a complete production management team, advanced production equipment and professional R&D personnel. The company has independent research and development capabilities. There are a number of core patent products, the company has a quality control laboratory, the introduction of domestic advanced testing equipment and testing procedures, scientific control of product quality, so that the factory product qualification rate is close to 100%, from quality to service It has won the unanimous approval of customers and has created a good reputation. It is the main supplier of major foam sealant manufacturers at home and abroad, and the manufacturer of the caulking agent, Tianjin Gunuo, Anhui Weilang and Linyi East. Yuan Technology, Polish Selena, Shanghai Sangles, Shanghai Zhuzhong have many years of in-depth cooperation, is the industry's professional and authoritative representatives. With the mission of “building industry standards and leading the international wind direction”, the company takes “professional value, plastic industry classics, and strive for the great rejuvenation of the Chinese nation” as its mission. The company adheres to loyalty, unity, cooperation, hard work, and diligence. The values ​​of quality first, excellence, and the talents of the world, welcome people of insight to develop together and create a great cause.