About HLD

Empowering Your Innovations, Elevating Your Success.
HLD, Shaping the Future of Manufacturing.

About HLD

Our company is a professional manufacturing company that integrates R&D, design and production, and mainly produces "parallel twin-screw extruders, single-screw extruders", as well as screw elements and kneading elements. The company mainly produces single-lead symmetrical key, internal spline, internal octagonal, internal hexagonal, internal involute and cross key screw elements and kneading elements within 15~150 specifications. The products use high-quality, high-hardness alloy steel (W6MO5Cr4V2, 38CrMOALA) as raw materials, adopt advanced production technology for production, and ensure product quality through perfect testing methods. Stable and reliable product performance, popular with users, and enjoy a good reputation in the market. At the same time, the company can also design and produce screw elements and kneading elements according to customer needs, and provide on-site survey services.

Our Team

The company has established a high-level mechanical design team, equipped with advanced computer-aided design system, dedicated to the research and development of plastic products in the mechanical industry, single-screw extruders and twin-screw extruders and their accessories, in order to better meet customer needs, and has laid a solid foundation.

The main products of our team include: twin-screw granulator, single-screw granulator, and other plastic production lines. We have our own CNC machining center, which can customize and process parts. The team has a total of 52 people, including 16 skilled workers. We have won the Advanced Technology Award of China's Jiangsu Province, and we are making continuous efforts on the road of scientific and technological research.

Our Story

The company's production technology and product quality are at the domestic leading level. The products not only meet the needs of the domestic market, but are also committed to developing the international market. Mr. Sun, the general manager, warmly welcomes customers to visit and negotiate business, and promises to provide high-quality services with high-quality products and enthusiasm at any time.

With more than 20 years of experience in the plastic machinery industry, we are one of the famous machinery manufacturers in China. Sales in 2022 exceed $18 million. Perfect biodegradable formula and mechanical equipment. We hope that in the future, we can join the ranks of environmental protection and earth care.
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Best-Selling Global

Our products have been sent to some important potential markets such as Europe, North America, Japan, South Korea, Southeast Asia, etc. Contributing to the early realization of carbon neutrality in the world.


Our Vision


Strict quality control in line with industry standards.


Innovating constantly, leading the industry.


Perfect biodegradable formula and mechanical equipment.

ECO friendly

Protecting the environment, friendlier to the Earth.


SINCE 2002

  • 2021'~2023's
  • 2020's
  • 2019's
  • 2018's
  • 2012's
  • 2006's
  • 2002's

Currently have business dealings with 68+ countries,and international business is developing rapidly.


Won the Advanced Technology Award of Jiangsu Province, China.


The first year of overseas, improve international certification and reporting.


Successfully delivered 2000+ projects, with a cumulative number of 205 patents.


Sales in 2012 exceed $8 million


Establish a high level of professional machine design team


The company got off to a rough start in 2002

Cooperate Share Win-win With HLD