
Corporate Profile
Zhejiang Sunshine Machine Tools Co., Ltd. is one of the largest manufacturers of manual chucks in China, specializing in the production of the "WATANO" brand chucks. Our company has the capacity to produce 250,000 chucks annually.
In the field of chuck manufacturing, we are committed to providing high-quality chuck products to customers worldwide. With years of technical accumulation and a stringent quality control system, our chucks have achieved industry-leading levels in precision, stability, and durability. We offer a full range of solutions, from manual chucks to high-precision power chucks, to meet the diverse needs of different customers.
The "WATANO" chucks enjoy a good reputation globally and are sold in large quantities to Europe, America, Southeast Asia, the Middle East, and other countries and regions.



A Quick Look At The Three Core Advantages
Advanced Technology Recognition
German heritage combined with dual certification advantage
Comprehensive technology portfolio supports advanced manufacturing
Full-Scenario Product Matrix
One-stop size solutions from 50mm to 2000mm:We offer one-stop size solutions ranging from 50mm to 2000mm,capable of meeting diverse size requirements.
Custom machining feasibility:Custom machining is feasible,allowing for personalized processing based on specific customer needs.
Functional solutions for specific applications:We provide functional solutions tailored to meet the demands of specific application scenarios.
Global Service Network
Sales and technical teams in 15 countries, responding within 72 hours:We have sales and technical teams in 20 countries, capable of providing services within 48 hours.
Ample spare parts and efficient delivery:We ensure a quick supply of the required spare parts.
Efficient production line efficiency diagnostic system:We possess an efficient production line efficiency diagnostic system for precise process analysis and optimization.
Mission And Values

Corporate Mission
Positioning: Global manual lathe chuck technology benchmark
Goal: Redefine industry precision standards through precision manufacturing and continuous innovation, and achieve strategic upgrades from product supply to solution output.
Core Value
Quality system: Double certification endorsement + German technology gene = global demanding market pass
Innovation engine: 8% R&D investment + cross-border R&D cooperation drives technology generational breakthroughs
Customer ecology: Global service network + user-participatory design builds a loyalty closed loop


