Longkou Longli Sealant Co., Ltd. was founded in 2000 and is located in Longkou City, an emerging port city on the Jiaodong Peninsula.
We mainly produce high and medium-grade silicone sealants, eco-friendly MS sealants, water-based sealants, fire-resistant sealants, clear glass sealants, structural sealants, curtain wall sealants, two-component corner sealants, section sealants, and more. All our products have passed ISO quality management system certification.

The Company has rich human resources and strong technical force and possesses excellent “pioneering and enterprising” scientific research, management and marketing teams, and possesses high-tech modern production equipment, sophisticated production process and systematically normative quality control system. According to the "Management Measures for the Recognition of High tech Enterprises" and the "Guidelines for the Recognition and Management of High tech Enterprises", our company successfully passed the recognition of "High tech Enterprises" in 2023. The approval of this high-tech enterprise certification fully reflects the comprehensive strength of our company in technology innovation, intellectual property, technology product research and development, product services, and other aspects, which has been supported and recognized by the country.

Based on the management tenet of kindheartedness, unity, integrity and innovation, the Company is committed to research and development of new products, constantly perfects enterprise management, improves the product quality and offers high-quality service to you sincerely. We are willing to sincerely cooperate with new and old customers and join hands for win-win!