Tangshan Tianhe Environmental Protection Technology Co., Ltd. (Stock Code: 871037) was founded in 2001. It is a National High‑tech Enterprise, a national‑level Specialized, Refined, Differential & Innovative "Little Giant" Enterprise, a Hebei Provincial Single‑item Champion in Manufacturing, and a Hebei Provincial Industrial Design Center.

As a manufacturer of special‑purpose coal‑mine machinery equipment, the company focuses on the R&D, design, production and sales of screening equipment for coal and non‑metallic minerals (materials requiring high lump‑forming rate and particle‑shape for higher added‑value), as well as drying and dewatering equipment for coal slime, low‑rank coal and other water‑bearing materials. It also provides comprehensive supporting solutions and services for relevant products.