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Maanshan Licheng blade manufacturing co., LTD. We use a wide range of high-quality imported and local materials, along with advanced heat treatments, including vacuum heat treatment, subzero heat treatment, and salty bath heat treatment, to ensure a better performance of the inner character of knives.  Elaborate design and fine processing, multiple rounds of quality control, and warm after-sales service have made our products popular in Mainland China, South Korea, America, South Asia, Europe, and other regions.  We have received high praise from the following cooperating customers: Hankook Tire. POSCO Holdings Inc. Gold Hongye Paper Group Co., Ltd. Sichuan Changhong Battery Co., Ltd. South Aluminum (China) Co., Ltd. Chalco Luoyang Copper Industry Co., LTD. Huida Sanitary Ware Co., Ltd. KDX Composite Material Group Co., Ltd. Mohawk Industries. Gates Corporation. Galanz Enterprises Group Co., Ltd., Azovstal Steel Plant. etc. Since 2003, we have developed an integrated production, supply, and marketing system for our distributors, renowned for our excellent OEM blades. Guided by pragmatism, innovation, and a pioneering spirit, LCKNIFE consistently delivers a comprehensive range of reliable cutting solutions: • Belt knives, teeth knives, thin & special-shaped blades – for cutting tape, plastic film, sponge, and EVA foam; widely used in the OEM packaging industry. • Stainless steel blades, like SUS301, SUS420, and SUS440 -for the food processing industry. • Rewinder and Cutting knives – for the paper-making industry, like tissue, corrugated board, etc • Slitting and Shearing knives – for the metallurgy industry, such as steel sheet trimming, aluminum foil, and copper film rewinding. • Chopping and Chipping knives- for the wood flooring industry. • Tooth knives and Guillotine knives – for the tire and rubber processing industry. • Granulator and Pelleting knives – for the waste recycling industry. Company spirit: We will continue to adhere to the "customer first, credit first" purpose, with the most preferential price, best quality products and most perfect service to meet the needs of users, in the customer need to satisfy our customers in the first time. Rely on innovation and excellent quality, first-class products, create first-class benefits, to create a brilliant future with you! According to each of our valued customers in the whole process of the actual demand to provide professional, personalized application solutions, to help our customers at a lower cost to enjoy a high standard of professional services.
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21 Years Of Experience In Various Cases

We will continue to adhere to the "customer first, credit first" purpose, with the most preferential price, best quality products and most perfect service to meet the needs of users, in the customer need to satisfy our customers in the first time.
1999
COMPANY  ESTABLISHED
800
NATIONAL CUSTOMER
500
Capacity per month
5600
FACTORIES area
Latest News
Latest News

An In-Depth Analysis of How Grinding Wheels Affect Cutting Tools
Sep 30, 2026 An In-Depth Analysis of How Grinding Wheels Affect Cutting Tools
If material selection and heat treatment represent the art of blade manufacturing, grinding is the microscopic art that ultimately determines blade life. Blade grinding involves far more than simply shaping a blade. The blade material establishes only its theoretical maximum service life; its actual surface topography is created by countless microscopic cutting traces left by the abrasive grains in the grinding wheel. At the micron—and even submicron—scale, grinding forms the cutting edge, influences surface stresses, and either creates or eliminates microscopic defects. These factors directly affect cutting accuracy, durability, and service life. Grinding is therefore an invisible yet highly precise form of microscopic craftsmanship. The quality of a ground cutting edge directly influences cutting burrs, cut-edge flatness, and blade life. Consequently, the abrasive material, grit size, grade, and structure of a grinding wheel can profoundly affect blade flatness, surface finish, and even the metallurgical microstructure of the surface layer. To significantly improve knife surface quality, the grinding process must be carefully controlled to: · Eliminate microcracks along the knife cutting edge. · Produce the optimum edge radius. · Control residual stresses in the surface layer · Control knife surface texture and roughness · Prevent grinding burns and thermally affected layers on knives. Here is a selection of grinding-wheel types Typical Application rough-semi-finish-finish for knives Original criterion of Industry Department #25-#60 #60-#100 #100-#240 #240-W20 Reachable surface coarseness Ra0.8 Ra0.8-Ra0.4 Ra0.4-Ra0.2 Ra0.2-Ra0.05 Grinding wheel characteristics Brown fused alumina offers moderate hardness, high toughness, and good heat resistance. Rough grinding for the raw knife materials generally uses relatively coarse grit sizes, such as 46 to 60 grit. Vitrified bonds and open structures are commonly selected to provide high porosity and efficient chip clearance. Effect on blade characteristics Brown fused alumina is suitable for rapid stock removal when a large machining allowance is required. Although it provides high grinding efficiency and makes blade flatness relatively easy to control, it produces a comparatively poor surface finish. The resulting surface has a higher Ra value and clearly visible grinding marks. Effect on operating performance Brown fused alumina is primarily used for rough grinding of ordinary carbon steel blades and low-alloy tool steel knives such as 9CrSi knives. It can quickly remove heat-treatment scale and excess material. However, if it is used directly for finishing grinding, the rough cutting edge can increase friction during shearing, causing burrs on the processed material. 2. White Fused Alumina (WA): Efficient Finish Grinding of Hardened-Steel Blades Grinding-wheel characteristics White fused alumina is harder than brown fused alumina. Its abrasive grains have extremely sharp cutting edges, although the ...
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We will continue to adhere to the "customer first, credit first" purpose, with the most preferential price, best quality products and most perfect service to meet the needs of users, in the customer need to satisfy our customers in the first time.

APFE 2017

Icorrugated Asia Expo 2017

Film Expo ShenZhen 2016

CIDPEX 2015

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