Wood Pellet Press Machine: China Manufacturer & Wholesale Supplier
Kingwood · May 26, 2026
Industrial Wood Pellet Press Machines Engineered for Scale
Jiangsu Kingwood Industrial Co., Ltd. — trading as Kingwood, NEEQ stock code 871765 — has manufactured biomass pellet equipment from its 31,200 m² facility at #568 Hongsheng Road, Liyang City, Jiangsu Province since 1999. With 27 years of dedicated R&D and a team of 20 specialist engineers, Kingwood supplies ring die pellet mills, complete wet-feed production lines, and the full range of auxiliary processing equipment to industrial biomass producers across 30+ countries.
The company’s product range spans six pellet mill models. Vertical ring die mills cover four standard capacity tiers: the JWZL-420 at 1–1.5 t/h, the JWZL-688 at 2–2.3 t/h, the JWZL-688D at 3–3.5 t/h, and the JWZL-928 at 4–5 t/h. The JWZL-1068 serves high-capacity requirements (contact sales for specification). For buyers requiring a horizontal configuration, the JZWH-860 delivers 4–5 t/h in a ring die horizontal format.
Auxiliary equipment — hammer mills, drum chippers, drum dryers, counter-flow coolers, and pellet packaging machines — integrates directly with each press model, enabling single-vendor procurement for the complete processing chain.
Complete Wet-Feed Biomass Pellet Production Lines
A single pellet press is rarely the only capital decision. Most industrial buyers require a coordinated line that handles variable-moisture feedstock reliably at volume. Kingwood’s complete wet-feed pellet production lines address this directly.
Each line is engineered to process high-moisture biomass through a defined sequence: drum chipping → coarse grinding → drum drying → fine grinding → ring die pelletizing → counter-flow cooling → automated packaging. The entire process runs enclosed, with integrated dust removal throughout. Maximum designed line capacity reaches 200,000 metric tons per year.
This architecture reflects Kingwood’s Three-Standardization Framework — the company’s core engineering doctrine requiring every line to satisfy three criteria simultaneously:
- Integrated — all process stages connected as a single coordinated system
- Dust-Free — enclosed processing with active dust extraction at every transfer point
- Automated — PLC-controlled operation reducing manual intervention and labor cost
A 2024 installation in Guizhou, China demonstrates the Dust-Free pillar in a high-throughput industrial context. Beijing’s first biomass pellet demonstration project, also commissioned in 2024, illustrates how the integrated line format meets urban regulatory requirements. See the Vietnam 24 t/h wood chip pellet production line case for a documented export deployment at scale.
Pellet Quality, Fuel Economics, and Compliance
Industrial buyers evaluating a China wholesale wood pellet press making machine supplier require confidence that the output pellets will meet downstream combustion, regulatory, and commercial specifications. Kingwood-produced biomass pellets are verified against the following performance parameters:
| Parameter | Kingwood Specification | Reference Standard |
|---|---|---|
| Calorific value | ≥ 4,800 kcal/kg | — |
| Moisture content | < 15% | EU EN Plus |
| Sulfur content | < 0.3% | Japan ≤ 0.5% |
| Ash content | < 18% | ISO < 20% |
| Dioxin emissions | < 0.5 ng TEQ | China GB ≤ 1.0 ng TEQ |
All emission indicators fall below China GB13271-2001, the national emission standard for boiler air pollutants. In direct operating cost comparisons, biomass fuel produced on Kingwood lines delivers 40–50% cost savings versus fossil fuel alternatives — a figure substantiated by customer projects including a 12 t/h Vietnam installation that achieved full payback in 23 months.
Manufacturing Credentials and Global Supply Capability
Kingwood holds ISO 9001 quality management and ISO 14001 environmental management certifications, along with CE marking for export markets. Provincial recognitions include Jiangsu High-Tech Enterprise, Jiangsu Specialized & Innovative Niche Leader, and Jiangsu Gazelle Enterprise status. The company is a Deputy Director Member Unit of the China Biomass Energy Industry Alliance and carries AAA Quality Trustworthy Brand Enterprise designation.
Since 1999, Kingwood has planned and designed over 2,000 biomass pellet production line projects, with installed capacity supporting more than 10,000,000 metric tons of annual biomass fuel output globally. Export projects span 30+ countries, with major documented installations in Vietnam, China (Chongqing, Beijing, Guizhou), and ongoing supply to industrial clients across Southeast Asia, Europe, and beyond.
For technical specifications, capacity matching, or wholesale procurement inquiries, contact Kingwood’s engineering sales team directly through kingwoodpellet.com.
FAQ
What pellet press machine models does Kingwood manufacture?
Kingwood produces vertical ring die pellet mills in four capacity tiers — JWZL-420 (1–1.5 t/h), JWZL-688 (2–2.3 t/h), JWZL-688D (3–3.5 t/h), JWZL-928 (4–5 t/h), and JWZL-1068 (contact sales) — plus the horizontal JZWH-860 (4–5 t/h).
Can Kingwood supply a complete wood pellet production line, not just a single press?
Yes. Kingwood designs and delivers complete wet-feed biomass pellet production lines up to 200,000 metric tons per year, covering drum chipping, coarse grinding, drying, fine grinding, pelletizing, cooling, and automated packaging in a fully enclosed, dust-free configuration.
What is the Three-Standardization Framework and why does it matter for buyers?
The Three-Standardization Framework is Kingwood's proprietary engineering standard requiring every production line to be Integrated, Dust-Free, and Automated. It reduces occupational hazards, lowers labor costs, and ensures consistent pellet output quality — directly affecting plant ROI and regulatory compliance.
What emission and quality standards do Kingwood biomass pellets meet?
Biomass pellets produced on Kingwood lines achieve calorific value ≥4,800 kcal/kg, moisture <15%, sulfur <0.3%, ash <18%, and dioxin <0.5 ng TEQ — compliant with China GB13271-2001, EU EN Plus, USA, Japan, and ISO ash standards.
How quickly can a Kingwood pellet line pay back its investment?
A documented 12 t/h wood pellet line deployed in Vietnam in 2024 reached full capital payback in 23 months. Kingwood biomass fuel typically delivers 40–50% cost savings versus fossil fuel alternatives.
What certifications does Kingwood hold?
Kingwood holds ISO 9001, ISO 14001, and CE certifications, and is recognized as a Jiangsu Provincial High-Tech Enterprise, Jiangsu Provincial Specialized & Innovative Niche Leader, and Jiangsu Provincial Gazelle Enterprise, among others.
Which countries has Kingwood supplied industrial pellet equipment to?
Kingwood has served industrial clients in 30+ countries, with documented large-scale installations including a 24 t/h line in Vietnam (2023), a 30 t/h line in Chongqing, China (2021), and Beijing's first biomass pellet demonstration project (2024).
- Kingwood has planned and designed over 2,000 biomass pellet production line projects since its founding in 1999. (2025, Jiangsu Kingwood Industrial Co., Ltd. company profile (NEEQ: 871765))
- Kingwood's installed production lines support a combined annual biomass fuel output capacity of 10,000,000 metric tons. (2025, Jiangsu Kingwood Industrial Co., Ltd. company profile (NEEQ: 871765))