Guangzhou Jingsha Rubber Trading Co., Ltd. Was originally a subsidiary of the state-owned enterprise Guangzhou Rubber Group, Guangzhou Guangxiang Group Jinsha Trading Co., Ltd. It was established in 2006 and was renamed Guangzhou Jingsha Rubber Trading Co., Ltd. After a joint-stock reform in 2009.

In 2013, Shanghai Limwell New Material Tech. Co., Ltd. Started the operation in Shanghai, China,

Shandong Kaiyue Chemical Co., Ltd., strategically situated in the vibrant chemical industrial heartland of Shandong Province, stands as a premier high-tech enterprise seamlessly integrating cutting-edge scientific research, large-scale manufacturing, and global commercial distribution. Since our inception, we have remained steadfast in our mission to redefine industry standards within the fine chemical and pharmaceutical intermediate sectors, driven by our core values of technological innovation, uncompromising quality, and integrity-based cooperation. Leveraging the robust industrial infrastructure and multimodal logistics advantages of our location, Shandong Kaiyue Chemical has established a sprawling, state-of-the-art industrial park characterized by modern layout planning and advanced manufacturing capabilities. We specialize in the development and production of high-value metal alkoxides, including high-purity magnesium and lithium alkoxides, as well as specialized organic solvents and sophisticated synthesis intermediates, positioning ourselves as a market leader in these niche segments. Our manufacturing philosophy embraces the "Industry 4.0" revolution, featuring fully automated production lines equipped with Distributed Control Systems (DCS) and Safety Instrumented Systems (SIS). This digital integration allows for precise monitoring of reaction parameters from raw material feeding to final packaging, thereby ensuring intrinsic safety, maximizing operational efficiency, and guaranteeing exceptional batch-to-batch consistency that meets the stringent requirements of top-tier global clients. Innovation serves as the cornerstone of our growth; Our provincial-level technology center is staffed by an elite R&D team comprising industry veterans and PhD experts, supported by a comprehensive array of analytical instruments such as GC, HPLC, and moisture analyzers. We actively foster strategic "Industry-University-Research" collaborations with prestigious academic institutions to accelerate the commercialization of new technologies, particularly in chiral synthesis and green catalysis. Quality is ingrained in our corporate DNA; We rigorously adhere to ISO9001 Quality, ISO14001 Environmental, and ISO45001 Occupational Health and Safety management systems. Our holistic quality assurance protocol spans the entire value chain, ensuring that every product delivering to our customers is of the highest caliber. Consequently, our products enjoy a strong reputation across more than thirty countries and regions, including Japan, South Korea, the United States, and the European Union, finding critical applications in biopharmaceuticals, new energy lithium batteries, and electronic materials. Committed to sustainable development, we invest significantly in environmental protection facilities to achieve eco-friendly operations, striving to build a green benchmark factory. Looking forward, Shandong Kaiyue Chemical Co., Ltd. is dedicated to expanding its global footprint and deepening technical expertise to provide unparalleled chemical solutions to the world.

Qingdao New Sanda Industry Co., Ltd. is a leading chemical enterprise specializing in the development, production, and global distribution of high-performance industrial additives. With extensive experience in international trade, our products have been successfully exported to over 30 countries across Asia, Africa, and South America, earning recognition for their consistent quality and competitive pricing. Our comprehensive product portfolio includes advanced additives for coatings and paints, rubber and plastic processing, industrial adhesives, water treatment systems, and construction materials.

Qingdao Xiongxiang Rubber Co., Ltd. Has a history of manufacture for more than 20 years., Our company produce three major categories of products, divided into Tyres products, Rubber air spring products, Rubber Antioxidant products, Our company has advanced modern production equipment and experiments, laboratory testing

Tianjin Jilian Technology Co., Ltd. Was founded in 2004 and has since been dedicated to providing high-quality products and services to customers worldwide. Our professional chemical team has established stable strategic partnerships with over 60 major chemical plants across China, forming a robust and reliable supply chain network. Our client base spans the globe, encompassing a diverse range of manufacturing plants, distributors, university laboratories, and research institutions. To date, we have successfully served thousands of clients, building a strong reputation for reliability and excellence in the industry.

Qingdao Jinyu Chemical Co., Ltd, which is located in Qingdao City, China, with registered capital of RMB 10 million, is a dynamic chemical import and export enterprise with customer demand as its own responsibility. The founder has been engaged in the chemical industry for more than 20 years. With professional technical and marketing personnel, diversified cooperative factories with synthetic technology and efficient logistics management, we provide services to customers all over the world. After years of hard work, we have selected a number of excellent chemical production cooperative enterprises in China. These enterprises have their own advantages in different chemical synthesis fields. They have passed the strict inspection of suppliers by many customers and formed a long-term and stable strategic partnership with customers. With our partners' excellent equipment, well-trained employees and mature technology, we also continue to provide customers with more products.