Quality First
Establishing Credibility

 

 For many years, Cheng Yi Precision Technology CO., Ltd. has been driven by the business philosophy of quality first and customer first. All employees have worked hard to show steady and solid growth. The affiliated company is Long Jianrong Enterprise Co., Ltd., which is responsible for the production of feeder parts, while Cheng Yi Precision Technology CO., Ltd. is responsible for the production of lathe parts. They are marketed all over the world with the two brands of Cheng Yi and LJR..

The company has cooperated with dozens of domestic and foreign automatic feeder and CNC automatic lathe companies for decades. Its products are sold in the United States, China, South Korea, Russia, Switzerland, Israel, Turkey, Malaysia, Italy, Germany, India, Vietnam, Thailand, 29 countries including Australia and Europe. We have excellent technology and experience to provide customers with first-class quality products and achieve business continuity through continuous innovation and breakthroughs. We believe in the concept of customer first and serve our customers wholeheartedly to meet their needs. Major machinery manufacturers, hardware merchants and dealers from all over the world are welcome to discuss cooperation.

The staff after years of efforts, in 2014 became the world's largest producer of feed folder manufacturers, global cooperation feeder plant of 25,bar feed collets (finger chuck) stock amounted to over 700,000 , the revolving tip (rotating) stock amounted to more than 70,000 branches, continued expanding operations, we continue to uphold sophisticated concept to provide customers with the best C / P value products, and constant challenge Germany, Switzerland and other advanced countries, product quality, more than Germany, Switzerland as the ultimate goal, to achieve production in the world, sales the world's first, quality first in the world

Lathe collet, lathe guide sets of the highest precision has reached 0.003mm, product accuracy has been close to the Japanese level,  the inner hole of HSS collet is 0.6~65mm, and the inner hole of carbide collet and guide bush is 0.6~51mm.  in the increasingly sophisticated processing environment, will be the preferred cooperation between the major machinery plant one of the objects, high C / P value to the major Lathe plant more competitive advantage

The highest precision of lathe collet and lathe guide bush has reached 0.003mm. The accuracy of the product has approached the Japanese standard. Today, the inner hole of HSS collet is 0.6~65mm, and the inner hole of tungsten steel collet and guide bush is 0.6~51mm. Increasingly sophisticated processing conditions will be one of the preferred cooperation targets for major lathe machinery manufacturers. The high C/P value gives all major lathe factories a competitive advantage.

ER collet, SK precision collet has A grade and AA grade (UP grade), the highest precision is within 0.005mm, which can be used to improve the machining precision of lathe factory and knife handle factory, and improve the working condition for increasingly harsh processing conditions.

As of 2023, there are currently 67 cooperative feeder factories in the world. Up to 2/3 feeder factories in the world are our customers. In response to customer demand, the inventory has reached the following: the stock of stocks reached more than 1,500,000 . The inventory of the Revolving tip (rotating) has reached more than 300,000, the current inventory of collet and guide bush has reached more than 30,000, and the inventory of ER collet has reached 40,000, both of which have reached new highs, achieving fast delivery, good quality and sufficient inventory. The fixtures can reach one stop, and now it is the first choice for major lathes, feeder machinery factories and tool holders.

In recent years, the company has developed into an integrated manufacturer of lathe parts. Computer lathes can provide products covering sliding sleeves, collet bushes, tie rods, front covers, guide bushings, collet bushings, non-powered tool holders, driven tool holders, and barrels. Clamps, guide sleeves, drilling bits, ER collets, water-stop collets, tapping collets, inner hole boring cutters, tooth cutters, insert cutters, blades, quick drills (violent drills),carbide miniature boring cutters, etc., can be one-stop purchase, Provide high-quality parts for major machinery factories around the world, and effectively reduce production costs, increasing the international competitiveness of major machinery factories


Main services are:
• Carbide miniature boring cutters
• Drill bits
•Power tool holder
• Unpowered tool holder
• Headstock collets
• Guide bushes
• Feeder, feeding folder, revolvint tip, and pressure rod
•CNC computer lathe parts sliding sleeve, sleeve sleeve, tie rod, front cover, guide sleeve, sleeve sleeve
• Lathe spindles
• Power knife seat
• Automatic lathe parts
• Automatic lathe toggle & Automatic CNC lathe toggle
• Extension rod
• ER collet
• SK collet
• ER Nut Series
• Tapping collet



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