Ninghai Sanyuan Power Tools Co., Ltd. was founded in 2003, located in Xuepo Development Zone, Yuelong Street, Ninghai, Ningbo. The main products of the company are a series of products such as Automatic Rebar Tying Machine, winding machine, wire reel accessories. 14.4V RT280S, RT450S, and RT580S. Screen display, electromagnetic brake 18.5V5A RT528/RT545/RT558. 2023: The RT-441 and RT-650 are 0.6 seconds faster to tie a knot, use less wire, only use 1.0MM2 roots of 10-35CM wire, and bind more firmly. Kowy series Automatic Rebar Tying Machine has been certified to obtain CE certification mark. Directly or indirectly exported to the European Union, the Middle East, Africa, etc.
The company has established a set of standardized, procedural quality assurance system. The company sincerely provides high quality products and satisfactory service for domestic customers, and makes unremitting efforts to build the Ningbo Bridge economy and connect with the Yangtze River Delta.
Enterprise vision: Let every employee work happily;
To be an excellent enterprise in continuous operation;
With the integrity of the enterprise image deeply.
Enterprise mission: to operate the enterprise with sincerity, to repay the society with love.


Kowy Automatic Rebar Tying Machine features and advantages are:
1. The operation is very simple and convenient, single-hand operation can improve the safety factor of workers;
2. Efficient and fast operation, the bundling efficiency is 2-3 times that of manual bundling efficiency, and 50-60 knots can be bundled per minute;
3. The machine is light and durable, greatly reducing the labor intensity of workers, while ensuring the unity and stability of the bundling quality;
4.RT280S, RT450S, RT580S use 14.4V lithium battery large capacity, charging time of 70 minutes, each full charge can bind about 3,500 knots.
5.RT528, RT545, RT558 use a powerful 18.5V lithium battery, charging time is also 70 minutes, each full charge can tie about 4500 knots.
6. At present, the two newly launched double wire bundling machines RT-441 and RT-650 are more suitable for the market demand, using two 1.0mm wire, short wire, fast speed, only 10-19cm wire can tie a knot in 0.6 seconds, tying more firmly.