Langhehengliu Pump Co., Ltd. was established in 1997 and is a wholly-owned subsidiary of Halma International Ltd., a British company. It is a professional enterprise engaged in the research, development, production, and sales of precision fluid transmission and processing equipment.

Lang always adheres to customer-centric principles, offering secure, high-precision, and high-quality fluid transfer equipment and solutions. This includes standard products such as蠕动泵, miniature gear pumps, miniature plunger pumps, and filling systems, as well as customized OEM products tailored to diverse customer needs. Our product line exceeds 40 types with over 600 models. We place a strong emphasis on quality, delivery, value, and technology in our products and services, consistently providing solutions for environmental monitoring and laboratories.

Lang Company utilizes state-of-the-art production and testing equipment to manufacture precision pump products in accordance with the standards of the new ISO9001:2015 quality management system. To date, Lang has obtained 124 software copyrights, 16 utility model patents, 17 design patents, and 3 invention patents. The company has research and development centers in Baoding and Shanghai, a branch in the United States, and its business extends to over 130 countries and regions worldwide.

Halma, established in 1894 in the UK, is a global group dedicated to life safety technologies. We offer innovative solutions to address the many critical issues facing the world today.

Hawthorn UK's main business operations span the UK, Europe, the US, and the Asia-Pacific region, with over 7,000 employees across 20 countries. The company is publicly listed on the London Stock Exchange and is a constituent of the FTSE 100 index.

The Howmet Group is primarily composed of two business divisions: the Safety Division and the Environmental & Analytical Division. We strive towards a common goal, collaborating to accomplish every task, and every day we are dedicated to creating a safer, cleaner, and healthier future for everyone.