Zhuzhou Lucky Line New Material Co., Ltd. (ZLL) is the overseas business company of PCC group:  the earliest and biggest manufacturer of tungsten carbide roll ring in China. Locating in the China biggest tungsten carbide industry base, Lucky Line not only responses for the Imp. & Exp. of PCC group but also provides the flexible carbide parts solutions for steel industry, precision cutting tools, mining & construction equipment.


Found in 1989, PCC (Penglai Cemented Carbide Co., Ltd. Group) researched and developed the 1st carbide roll ring in China in 1991 and has been granted 18 technical patents of roll ring & many scientific awards.


Up to now, the PCC group owns 1 overseas business company(ZLL), 3 factories and 5 production bases with the total area of 1.15 million square meters, and can annually produce: 1200-1500 tons carbide roll rings (about 60000 pieces) for iron & steel rolling mills; 1000 tons cemented carbide rods & bars for end mills , drills and cutting tools; 300 tons cemented carbide teeth/buttons/parts for mining and construction rock tools and equipment.


Our factories have the complete production lines from WC powder, forming, processing, grooving to end finished products such as ribbed rolls. Our own research laboratory and advanced production equipment such as Germany PVATePla vacuum sintering furnace, HIP sintering process, automatic press machines lead to advanced production technology and good mechanical properties of the carbide products.

With the highly automatic-production, test and measure equipment accurate to μm from Germany, Britain, Japan and Sweden, the stable good quality is effectively guaranteed in every step as per ISO quality system.


Our factories have supplied TC roll rings in brand of “Shinerol” and “TR” to GERDAU, TATA, Arcelor Mittal, Tosyali and more than 200 overseas and domestic steel companies, for the rolling mills of Morgan, Danieli, SMS group, Pomini, Krupp etc.


We will continue to focus on the development of cemented carbide technology, 'to meet customers' demand and create value for the customer'.