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Company Introduction

Shenzhen Jinhaixin Holdings Co., Ltd is an industry - trading integrated enterprise specialized in the design, R & D, customization, production, and sales of low - voltage three - electrification systems. Headquartered in Shenzhen, its production bases are located in Shenzhen, Dongguan, Changzhou, and Hainan. The company is committed to providing customers with products such as brushless hub motors, drive controllers, and energy battery packs, as well as professional personalized customization services to meet the diverse needs of customers in different industries. Adhering to the corporate culture of 'Diligence and innovation, pursuit of excellence' and centering on customers, the company ensures the stability and reliability of products through a complete quality management system and an efficient operation mechanism. Relying on its independently developed core technologies and multiple intellectual property rights, Jinhaixin continuously promotes technological innovation and product upgrading to facilitate the optimization and transformation of the mobile ecosystem. The company actively expands domestic and international markets, establishes long - term cooperative relationships with many scientific research institutions and industry partners, and continuously enhances its brand influence and core competitiveness. In the future, we will continue to uphold the concept of sincere cooperation and win - win results, create value for customers, and contribute to the development of the industry.
https://shmuker.oss-accelerate.aliyuncs.com/data/oss/687469242fe8040371e8da76/6895ca8c771aae6edad74ae7/20250821161011/wwtrade-about-us.png
Recommended Products
https://shmuker.oss-accelerate.aliyuncs.com/data/oss/687469242fe8040371e8da76/6895ca8c771aae6edad74ae7/20250815152317/8.5-inch-half-diameter-213mm-tire-width-83-unilateral-finale-82-long-shaft-model-4.png
8-inch Single-sided Pressurized Kart Hub Motor
https://shmuker.oss-accelerate.aliyuncs.com/data/oss/687469242fe8040371e8da76/6895ca8c771aae6edad74ae7/20250809164414/8.5-inch-half-diameter-213mm-tire-width-83-unilateral-finale-disc-brake-model-55-short-shaft-2.png
8.5-inch Disc Brake Hub Motor for Karting
https://shmuker.oss-accelerate.aliyuncs.com/data/oss/687469242fe8040371e8da76/6895ca8c771aae6edad74ae7/20250809152906/8-inch-diameter-200mm-tire-width-45-unilateral-finale-cyclone-model-13.jpg
8-inch Industrial Custom Motor with Single-Side Pressure Shaft
https://shmuker.oss-accelerate.aliyuncs.com/data/oss/687469242fe8040371e8da76/6895ca8c771aae6edad74ae7/20250815160604/10-inch-diameter-255mm-tire-width-65-unilateral-finale-115-long-shaft-go-kart-4.png
Customizable Motor Size Options for Automotive Assembly Lines
Recommended Series
https://shmuker.oss-accelerate.aliyuncs.com/data/oss/687469242fe8040371e8da76/6895ca8c771aae6edad74ae7/20250820164435/Application-of-Karting-Motors-1.1.png
Product service
Shenzhen Jinhaixin Holdings Co., Ltd focuses on the design, R & D, customization, and production of low - voltage three - electrification systems. Its main products include brushless hub motors, drive controllers, and energy battery packs. The company is dedicated to providing customers with high - quality personalized customization solutions and all - around technical support to ensure product stability and reliability and meet diverse business needs.
News
https://shmuker.oss-accelerate.aliyuncs.com/data/oss/687469242fe8040371e8da76/6895ca8c771aae6edad74ae7/20250809164414/8.5-inch-half-diameter-213mm-tire-width-83-unilateral-finale-disc-brake-model-55-short-shaft-2.png
Short-Shaft Brushless Hub Motor + Disc Brake: Torque Optimization for Stable High‑Speed Electric Go‑Kart Handling
This article analyzes the collaborative mechanism between a short‑shaft brushless hub motor and a disc brake system, focusing on torque optimization to enhance handling stability in 8.5‑inch electric go‑karts. It explains how a compact short‑shaft architecture reduces unsprung mass and drivetrain compliance, while coordinated torque mapping and disc brake integration improve braking response, lateral balance and steering precision during high‑speed maneuvers. The paper highlights practical tuning strategies — including torque vectoring, motor commutation refinement and brake bias calibration — and summarizes field validation on 8.5‑inch platforms, demonstrating measurable gains in braking responsiveness and lap‑to‑lap consistency. Technical guidance and maintenance best practices are provided to help manufacturers and customizers implement robust solutions. Professionals seeking turnkey high‑performance hub motor systems are invited to consult Shenzhen Jinhaixin for detailed specifications and integration support.
15/01/2026
https://shmuker.oss-accelerate.aliyuncs.com/data/oss/687469242fe8040371e8da76/6895ca8c771aae6edad74ae7/20250820164435/Application-of-Karting-Motors-1.1.png
Go-Kart Hub Motor and Custom Tire Matching: Technical Analysis & Selection Guide
This article provides a practical, technically grounded guide for selecting go-kart hub motors that accurately match custom tires and axle specifications. It explains the advantages of single-sided press-axle (single-side bearing) designs, and lays out matching principles for tire diameter, width, compound and wheel hub interfaces, together with how axle length and shaft diameter affect installation and vehicle stability. The guide contrasts requirements for professional racing tracks and entertainment kart centers, offering configuration examples and maintenance implications. It also highlights Shenzhen Jinhaixin Holdings Co., Ltd.'s 8-inch single-sided press-axle go-kart hub motor and bespoke customization services to help manufacturers and operators achieve optimized power transmission and tailored procurement.
15/01/2026
https://shmuker.oss-accelerate.aliyuncs.com/data/oss/687469242fe8040371e8da76/6895ca8c771aae6edad74ae7/20250815160604/10-inch-diameter-255mm-tire-width-65-unilateral-finale-115-long-shaft-go-kart-2.png
Boost Kart Power Transfer with 8-inch Single-Sided Hub Motor, 255mm Tire & 115mm Precision Axle
If you want to noticeably improve kart power transfer, handling and serviceability, the right match of hub motor, tire and axle is decisive. This article guides you through the engineering logic behind an 8-inch single-sided hub motor, 255mm custom tire and 115mm precision axle — explaining how axle diameter tolerance, tire width and compound, and single-sided mounting affect torque delivery, traction and maintenance across professional race tracks and amusement circuits. You’ll learn practical selection rules, common pitfalls (like mismatched axle fit or soft compound wear), and real-world trade-offs between lap performance and lifecycle cost, finishing with a proven combo from Shenzhen JinhaiXin that supports bulk customization for team and venue operations.
15/01/2026