

Good news! Two sets of 50TPD fully continuous waste tyre pyrolysis machine successfully put into operation installed by DOING. This video displays the detailed work process of the machine running site.
A Mexican customer specializing in used engine oil recycling recently order for a small scale used engine oil recycling machine was driven by our proven equipment quality, strong company reputation, and competitive pricing in December, 2024. Read More →
On January 2, 2025, the 10-ton pyrolysis equipment for recycling waste tires into fuel oil,carbon black was successfully shipped to Sri Lanka. All departments work together to provide one-stop service for Sri Lankan customers. Read More →
Henan Doing Environmental Protection Technology Co., Ltd.(referred to HENAN DOING), a subsidiary of DOING HOLDINGS, is a comprehensive environmental protection machinery manufacturing company integrating consulting, R&D, manufacturing, installation, and after-sales services.
Business Scope:
1. Solid Waste&Hazardous Waste Treatment Pyrolysis Plant, Waste Oil Distillation Machine, Carbonization Machine and related environmental protection equipment;
2. Waste Circuit Boards/ Solar Panel/ Lithium Battery and other Electronic Waste Recycling Machine;
Provide professional project planning, technology introduction, solution design and investment return analysis services;
Professional engineer team and project managers will follow up the whole process and provide one-on-one guidance to provide you with a turnkey project;
Comprehensive after-sales service guarantee system, covering value-added services throughout the entire life cycle of the equipment;