● Founded in 1990, Topseller Chemical Co., Ltd. has focused on the international detergent OEM/ODM market for over 30 years, providing cleaning products to over 300 million households worldwide annually. ● Located in Longkou City, Yantai, Shandong Province, the company is only 6 kilometers from Longkou Port, China's largest bulk cargo port for trade with Africa, 100 kilometers from Yantai Port, 180 kilometers from Qingdao Port, and 50 kilometers from Yantai Penglai International Airport, offering convenient transportation and a prime location. ● Affiliated with Shandong Chunlong Group, the company currently employs over 1,000 people and operates a factory area of over 100,000 square meters. It can produce over 800,000 tons of high- and mid-range synthetic detergents annually, including 600,000 tons of synthetic laundry powder, 100,000 tons each of dishwashing liquid and laundry detergent, and 50,000 tons of household and personal disinfectant products. It also owns two sodium carbonate production plants and two sulfonic acid production plants to match its production capacity. It has become a professional OEM/ODM production base for synthetic detergents in China. ● The company possesses world-leading synthetic detergent production equipment. Among them, the company has four high-tower powder spraying units for laundry detergent and eight liquid detergent production lines. Through continuous and in-depth collaboration with several leading international daily chemical companies, the company's production processes have been increasingly refined, and its hardware facilities have reached world-class standards. The company imported the most advanced "completely automatic vertical box-packing" laundry detergent production line from SENZANI, Italy, achieving full automation from carton conveying, powder filling and metering, scoop sealing, to box packing and sealing. The company also imported a world-class "high-speed, fully automatic online forming, filling, and sealing" liquid detergent production line from VOLPAK, Spain. Products are formed from the packaging film roll and then directly filled, offering higher production efficiency and lower costs compared to pre-made bagged products. The company currently operates several industry-leading fully automatic packaging lines capable of producing laundry detergent products in various sizes from 150g to 5000g. It also owns over 50 fully automatic small-packaging lines with proprietary intellectual property rights, capable of producing small-pack laundry detergent bags in various sizes from 15g to 135g. ●The company has the most advanced domestic plastic packaging color printing production line, which can provide customers with the production of inner packaging bags made of various materials such as BOPP, PET, and PA.