Suzhou Orchid Chemistry Instrument Co., Ltd. (OCI: Orchid Chemistry Instrument), named after "Orchid" in English, is known as the gentleman of flowers, symbolizing nobility, elegance, and unwavering loyalty; It also represents long-lasting friendship and close intimacy. We, the people of Lanhua, will follow the character of orchids, unwaveringly develop and produce high-purity and elegant instruments, and carefully become close friends with our vast number of users! OCI is a technology enterprise that integrates research and development, manufacturing, sales, and technical services. The company focuses on the research and production of sampling instruments for gases, dust, smoke, and other substances in the fields of occupational health and environmental protection. The company has gathered a group of experts and on-site technical experts in the industry, with a strong R&D team. It has cooperated with the environmental schools and research departments of multiple universities such as Suzhou University and Suzhou University of Science and Technology to carry out research and development and technical exchanges. The product has obtained multiple inventions and industry certificates such as type evaluation and explosion-proof certification. The product has received widespread praise from users. The company adheres to the product philosophy of "constantly surpassing". The SP series air and dust samplers independently developed by the company have gained unanimous recognition from customers due to their advanced technology, reliable performance, compact body, user-friendly design, easy operation, and reasonable price advantages. The company advocates the corporate development philosophy of "constantly surpassing, constantly innovating, and customer needs are our pursuit". Always take customer needs as the source of our continuous innovation and achieve self transcendence. We firmly believe that customer satisfaction is the foundation of our survival, and only innovation can constantly surpass it. Lanhua Instruments has always taken improving our environment as its responsibility, aiming to provide users with a better user experience, and driving the development of the industry. We will continue to forge ahead and promote the better and faster development of the industry's instruments. OCI provides sampling pumps for all your air sampling and air monitoring needs. Whether you are sampling dust/particles, vapors/gases, bioaerosols, or the environment, high flow or low flow, we have a sampling pump suitable for you, regardless of your environment.