What is the material and hardness of the gear?

The gear is made of 42CrMo material with a hardness of 58-62HRC, processed through forging and heat treatment like single tooth induction hardening.

What is the minimum order quantity (MOQ)?

The product supports OEM and custom orders, allowing for tailored production based on customer drawings and specifications.

What certifications do you have?

We hold ISO9001:2015 certification and provide detailed material certificates and quality inspection reports upon request.

Large Diameter OEM Inner Gear Ring for Wind Turbines

Name: Large Diameter OEM Inner Gear Ring for Wind Turbines
Brand: Suzhou Asia Pacific Intelligent Transmission Technology Co., Ltd
SKU: 2056359132

Jiangsu, ChinaSuzhou Asia Pacific Intelligent Transmission Technology Co., Ltd

US$5,000.00-10,000.00

5 Pieces

Sample price:US$7000.00/piece.Request sample

Product profile

Customization

Available

Application

Wind Power

Hardness

Hardened Tooth Surface

Model NO.

involute cylindrical gear

Gear Position

Internal Gear

Manufacturing Method

Forging

Toothed Portion Shape

Helical Gear

Material

42CrMo

Type

Circular Gear

Modulus

Gear Diameter

2030mm

Process

Nitriding,Lathing,Grinding,Gear Milling

Precision

ISO 6

Heat Treatment

Single Tooth Induction Hardening

Transport Package

Seaworthy Packing

Specification

ISO 1328 Class 6

Trademark

APMC

Origin

Jiangsu, China

HS Code

84834090

Production Capacity

20000

Key features

Customizable Specifications: Modulus, gear diameter, and precision can be customized per customer drawings and ISO standards.

High Precision Quality: ISO 6 precision grade with hardness of 58-62HRC, ensuring durability and performance.

Advanced Manufacturing: Forged from 42CrMo material with nitriding, lathing, grinding, and gear milling processes.

Comprehensive Quality Control: 100% pre-shipment inspection with material certificates and detailed quality reports available.

Global Export Experience: Products exported to over 20 countries including North America, Europe, Oceania, and Asia.

Flexible Packaging: Customized tailor-made packaging solutions including wooden cases, containers, and pallets.

Large Scale Production: 70,000 sqm factory with 300 advanced machines and 20 years of manufacturing expertise.

Versatile Applications: Suitable for wind power, oil & gas, mining, cement, metallurgy, and construction machinery.

Company profile

Full CustomizationR&D CapabilitiesProduction Process VisualizationQuality Assurance

Suzhou Asia Pacific Intelligent Transmission Technology Co., Ltd

Jiangsu, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤0.42h

AI-Powered supplier vetting

SummarySuzhou Asia Pacific Intelligent Transmission Technology Co., Ltd. is a China-based limited company established in 2002, with 257 employees and operations in Suzhou, Jiangsu. It focuses on research, design, production, and sales of gears, gearboxes, reducers, and transmission systems, serving industries including wind power, construction machinery, oil and gas, metallurgy, and mining. The supplier reports ISO9001:2015 and ISO14001:2015 certifications, 38 R&D engineers, a 26,991 m² manufacturing plant, and experience in gear processing, heat treatment, assembly, and inspection. Its stated export markets include Southeast Asia, the Middle East, Europe, and North America. Evidence supports production, customization, and innovation capabilities, while after-sales services, customer cases, and several operational controls remain insufficiently documented. The audit information identifies SGS and an audit period from August 8, 2024 to August 7, 2025, but the evaluation result is recorded as 0 and is not explained.

Supplier typeThe supplier is identified as a China-based limited company established in 2002, with its main operations in Suzhou, Jiangsu. Its stated business is industrial manufacturing and processing of gears, gearboxes, reducers, and transmission systems, although one record also describes the company nature as a trading company.

CertificationsThe supplier reports holding ISO9001:2015 and ISO14001:2015 certificates. An SGS audit is also recorded with a report period from August 8, 2024 to August 7, 2025, but the audit evaluation result is listed as 0 without an explanation of its meaning.

R&D capabilityThe supplier states that it conducts research and development, design, and product development for gear components, gearbox parts, and transmission systems. It reports 38 R&D engineers and more than two decades of expertise in high-precision and heavy-duty planetary gear transmission, supporting a positive assessment; ODM, SDK, and specific new-product evidence remain unknown.

Production capacityProduction capability is supported by 257 employees, a 26,991 m² manufacturing plant, and stated experience in gear processing, heat treatment, assembly, inspection, and lean manufacturing. The supplier also describes production of gear and transmission products for multiple industrial sectors, although outsourcing procedures and in-stock capacity are not documented.

Customization capabilityThe supplier explicitly states that its gear-processing and inspection capabilities enable customized production tailored to customer needs. Its reported development, design, assembly, and full gear-transmission-system capabilities further support customization for downstream industries.

Product Q&A

Q:Are you a manufacturer or a trading company?

We are a well-established factory based in Jiangsu, China, boasting 20 years of rich expertise and sprawling across a vast 70,000 square meters. Our state-of-the-art facilities include advanced 3D quality inspection equipment, a comprehensive ERP system, and a fleet of 300 cutting-edge machines. Should you require, we can provide detailed material certificates, meticulous sample quality inspections, and other comprehensive reports.

Q:How to get a quote?

Please provide us with detailed technical drawings (PDF/STEP/IGS/DWG...) along with specifications such as quality requirements, delivery timelines, materials, quantities, surface treatments, and other relevant information.

Q:Can you provide samples before mass productions?

Absolutely! A sample fee is applicable; however, it may be reimbursed during the mass production phase.

Q:How do you control quality?

(1) Material Inspection - Thorough checks of material surfaces and approximate dimensions are conducted. (2) First inspection of production - We ensure critical dimensions are maintained throughout mass production. (3) Sampling inspection - Quality is meticulously checked before products are dispatched to the warehouse. (4) Preshipment inspection - A comprehensive 100% inspection is carried out by our QC assistants prior to shipment.

Q:Which countries is the main markets?

Our primary markets span across North America, Europe, Oceania, and Asia, highlighting our global reach.