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Introduction to Four Sea Gear Reducer Customization Center

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Since its establishment in 2000, the "Four Sea" Reducer Customization Center has been consistently dedicated to providing global clients with high-quality, high-performance reducer products, as well as offering premium OEM/ODM services to industrial peers.

Our core advantage lies in customized production. With decades of manufacturing experience and deep technical expertise, we provide tailored gear reducer customization services according to the specific needs of our customers. We seamlessly meet your unique requirements in terms of technical specifications, models, torque performance, and appearance.

In terms of quality control, we firmly adhere to the principle of "Exceptional Quality & Competitive Pricing". We deeply understand that only reliable products can win the trust and long-term partnership of international buyers. Therefore, we strictly control every process, from raw material procurement and precision machining to rigorous final testing, ensuring every single gearbox meets international industry standards.

Four Sea Gear Reducer Customization Center has established long-term and stable strategic partnerships with many well-known enterprises worldwide. In the future, we will continue to uphold our core values: "Technological Innovation, Excellent Quality, and Service First", continuously improving our competitiveness to empower global industrial machinery. We sincerely look forward to cooperating with you to build a successful future!

Company Products

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Driven by high quality, we engineer flawless and reliable transmission solutions for your machinery.

Production Capacity

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Demonstration of Core Enterprise Strength in the Industrial Supply Chain Alliance

Gearbox Factory Panorama

Factory Panorama

Aerial view of the "Four Sea Transmission" manufacturing plant.

Factory Panorama

CNC Workshop

CNC Machining Workshop

Real photo of the CNC production line at "Four Sea Transmission".

CNC Machining

Horizontal Machining Center

Horizontal Machining Center

High-precision Haitian Machining Center.

Machining Center

Imported Gear Grinding Machine

Imported Gear Grinding Machine

Leading-edge high-precision imported gear grinding machinery.

Gear Grinding Machine

Precision Gear Grinding Machine

Precision Gear Grinding

"Qinchuan" high-precision gear grinding machine line.

Precision Gear Grinding

Vertical Machining Center

Vertical Machining Center

Advanced vertical CNC machining units.

Vertical Machining Center

CMM Coordinate Measuring Instrument

Coordinate Measuring Instrument (CMM)

Precision quality inspection using Coordinate Measuring Instrument.

Coordinate Measuring Instrument

High precision CNC Lathe

Precision CNC Lathe

Real photos of advanced CNC lathes in Workshop No. 22.

High-Precision CNC Lathe

CNC Gear Hobbing Machine

Precision Gear Hobbing Machine

Ningjiang High-Precision CNC Gear Hobbing Machine.

Precision Gear Hobbing Machine

Horizontal Boring and Milling Machine

Horizontal Milling & Boring Machine

Kunming CNC boring and milling machine tool equipped with premium CNC systems, significantly improving gearbox housing processing accuracy.

Horizontal Milling & Boring Machine

Reducer Assembly Workshop 22

Reducer Assembly Workshop No. 22

Panoramic photo of the 22nd assembly shop of "Four Sea".

Reducer Assembly Workshop

Gearbox Housing Material Warehouse

Semi-Finished Gearbox Housing Warehouse

Inventory of high-strength cast semi-finished gear housings.

Materials Warehouse

After-Sales Service

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We are fully committed to providing customers with high-quality services. Meeting your transmission needs is our ultimate goal.

Warranty Period:

Within 18 months from the date of shipment or within 12 months of product operational commissioning.

Warranty Scope:

During the warranty period, under normal operational conditions and compliance with the Operating Instructions manual, any failure or defect caused by documented product material or manufacturing quality issues falls within our warranty scope.

The following conditions are excluded from free warranty coverage:

1. Malfunctions caused by incorrect coupling or alignment between the gearbox installation and other external devices.
2. Malfunctions resulting from improper installation and operation not in accordance with our user manuals.
3. Failure caused by operating the unit beyond its designed technical ratings, or using lubricants not recommended by our company.
4. Issues resulting from unapproved modifications to this product or altered structural elements.
5. Damage caused by mismatched auxiliary components selected independently by the user.
6. Faults caused by external environments, natural disasters, or Force Majeure events.
7. Natural operational wear and tear of consumable parts (bearings, oil seals, etc.) under standard working conditions.

Contact Us

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Providing premium OEM/ODM services to global gear reducer partners.

Four Sea Gear Reducer Customization Center

WhatsApp/WeChat: +8618815188155
Email: sales@gearreducer.com.cn

Opening Hours:


Monday to Saturday:
09:00 - 18:00 (UTC+8)