About Us


Long Zheng company. boasts various advanced production lines, spanning multiple plastic fields, with an annual output of 30,000 tons and a workforce of over 100 employees. To ensure the efficiency of daily workshop management, our company has established a seasoned and professional management team. With rich work experience and management skills, they adeptly handle various production and management challenges, ensuring both high quality and efficiency in workshop production.To ensure outstanding quality and consistency, Long Zheng employs state-of-the-art testing equipment that complies with international standards such as ASTM, UL, and ISO. These tests cover a range of fundamental properties, including but not limited to density, melt flow index, tensile strength, elongation at break, flexural strength, flexural modulus, Izod impact strength, Charpy impact strength, molding shrinkage, heat deflection temperature, water absorption, and flammability.

Long Zheng Company is located in Zhongshan City, Guangdong Province, adjacent to Zhongshan Port with convenient transportation. The factory covers an area of 13,500 square meters, with a workshop area of 8,000 square meters. As a high-tech enterprise integrating the research, manufacturing, and sales of various plastics, our market presence extends to the Middle East, Asia, Americas, Europe, and other regions around the world.By actively attracting talents and cultivating a talent mechanism that integrates competition and collaboration, Long Zheng has built a professional and formidable R&D team, ensuring that we consistently stand at the forefront of the engineering plastics industry.

Team Introduction


Our team consists of a group of professionals, including 4 research and development (R&D) personnel, 4 quality personnel, and 15-20 sales personnel. Our goal is to provide high-quality products and excellent services to meet the needs of our customers.


Firstly, our R&D personnel are the core of our team. We have 4 R&D personnel, all of whom hold master's degrees or above. They are highly skilled in technology and possess extensive experience and expertise. They are dedicated to developing innovative products to meet market demands.

Secondly, our quality personnel play a crucial role in ensuring product quality. We have 4 quality personnel, each with more than 5 years of work experience. They maintain strict quality control, with an annual abnormality rate kept within 0.3%. Through rigorous testing and inspection procedures, they ensure the highest level of product quality.

Lastly, our sales team is an integral part of our team. We have 15-20 sales personnel, with an average educational background of college or above, and possess high professional qualities. They are familiar with market demands and provide customers with the solutions they need. Their consistent after-sales service attitude has earned the appreciation and trust of our customers.

In the future, we will continue to attract more industry elites to join our team. We believe that with such a professional team, we will be able to continuously improve product quality and service levels, providing customers with better products and services. We look forward to working with you to create a brighter future together.

Logistics Explanation

Our company offers various logistics options, including express delivery, sea freight, air freight, and land transportation, to meet the diverse needs of our customers. Regardless of the mode of transportation, we prioritize careful and meticulous packaging to ensure the safe transportation of goods.