Global Industrial Trading Partner Empowering Advanced Technology Worldwide
GreenEarth is a multinational trade‑and‑manufacturing‑integrated international trading company, mainly engaged in the global export of products from GreenEarth Holdings and its cooperative enterprises. Its core business scope covers petrochemical technical equipment, polymer blending and extrusion processing machinery, automatic control integrated systems, resin and plastic raw materials, pharmaceutical intermediates, as well as precious‑metal catalysts.
Leveraging strong technical expertise, extensive industry resources, and international trade experience, we provide reliable products, professional services, and customized solutions to clients across petrochemical, pharmaceutical, polymer processing, automation, and advanced manufacturing industries.
3+
Core Business Sectors
20+
Years Industry Experience
Global
Market Coverage

Driving Industrial Excellence Across Core Polymer & Chemical Sectors

Polymer & Industrial Equipment
Complete polymer processing plants, supercritical CO2 XPS extrusion production lines, plastic recycling pelletizing systems, and bespoke custom polymer processing machinery engineered for high-efficiency industrial manufacturing.

Automation & DCS/SIS Systems
Industrial automatic control and safety instrumented systems (DCS/SIS), intelligent manufacturing solutions, and automated process optimization technologies.

Polymers & Raw Materials
High-grade polymer resins (GPPS, recycled PS), foundational engineering plastics, and reliable industrial injection & extrusion resins designed to secure global manufacturing supply chains.

Technology-Driven Industrial Trading Model
Green Earth follows a technology-oriented development strategy. Our founder, Mr. Liu Zhihui, possesses decades of practical experience in new materials, chemical engineering, pharmaceutical industries, industrial operations, and international business management.
Supported by a professional technical team and a strong industry-university-research collaboration framework, we continuously improve product performance, optimize industrial processes, and deliver high-performance industrial polymer equipment and innovative technical solutions.
- Professional Technical Service Team
- Industry-University-Research Collaboration
- Customized Industrial Solutions
- Technology Optimization & Implementation
- Continuous Product Innovation
Why Choose Green Earth

Strong Industry Expertise
Extensive experience across petrochemical, pharmaceutical, materials, and advanced polymer manufacturing sectors.

Reliable Global Supply Chain
Stable sourcing channels, high-grade polymer resin distribution, and comprehensive international trade capabilities.

Technical Support
Dedicated engineers and polymer processing experts supporting full project implementation and automated system integration.

Customized Solutions
Tailored equipment and turnkey industrial services based on customer-specific manufacturing requirements.
Service and Technology Team

Brief introduction of founder
ZHIHUI LIU
General Manager, Jiangsu Doer Chemical Technology Co., Ltd.
General Manager, Shandong Daor New Material Technology Co., Ltd.
Director, Shandong Daor Pharmaceutical Co., Ltd.
Director, Shandong Cabin New Material Technology Co., Ltd.
SAMPE China Mainland General Association
Deputy Director, Polymer Foaming and Porous Materials Professional Committee
Polymer Material Continuous Extrusion Foam Molding Engineer
International Registered Senior Energy Manager (ICSEM)
International Certified Energy Efficiency Appraiser (CSESE)
United Nations Environment Programme Global Climate Change Observer
Think Tank Expert, Academic Committee of Chinese Academy of Management Sciences Leading Talents in Taishan Industry, Shandong Province

Engineering & Technical Expertise
Green Earth features an elite R&D and technical service team dedicated to advanced polymer processing, extrusion foaming dynamics, and turnkey plant execution. Through strategic partnerships with leading Chinese universities and research institutes, we provide high-level joint technical support and rigorous process validation.
Our multidisciplinary engineering team specializes in customized industrial solutions—from supercritical CO2 XPS foaming lines and plastic recycling systems to complete petrochemical polymerization plants—bridging academic research with industrial manufacturing.

Our Certificates
Our technological leadership, R&D capability, and manufacturing excellence are officially certified by national authorities, international standardization organizations, and industry associations. These credentials reflect our rigorous commitment to quality management, environmental safety, and leadership in industrial development.

Corporate Structure & Partner Companies
Green Earth is an international trade enterprise integrating industry and trade, dedicated to the global distribution and export of products from Green Earth Holdings and its affiliated partner companies. Our comprehensive business scope spans petrochemical engineering equipment, polymer compounding and extrusion machinery, automation control integration systems, polymer and plastic raw materials, pharmaceutical intermediates, and precious metal catalysts.
- Hebei Green Earth Polymer Machinery Manufacturing Co., Ltd.
- Jiangsu Door Polymer Technology Co., Ltd.
- Shandong Door New Materials Technology Co., Ltd.
- Shandong Door Pharmaceutical Co., Ltd.
- Shandong Cabin New Materials Technology Co., Ltd.
Building a Trusted Global Industrial Supply Network
Guided by the philosophy of “Technology as the Core, Quality as the Foundation, Global Empowerment and Win-Win Cooperation”, Green Earth continuously integrates premium global resources and promotes advanced industrial technologies worldwide.
Through professional products, customized solutions, and long-term strategic partnerships, we aim to become a reliable partner for customers seeking high-quality industrial products and technical services across international markets.







