We are an enormously powerful company which covers an area of about 70000 square meters and exists 200 staffs,including30 technicals,10 advanced and professional engineers.The company owns nearly 1.5 billion of total assets ,including ninety million of fixed assets; Meanwhile it has mechanical processing, heat treatment, forging equipment more than 260 sets, of which 1600T friction press, has achieved the leading level domestically in machining center, vacuum quenching machine, and automatic welding production lines.

1). High quality material from Valin Group

2). Guaranteed welding process(full welding)

3). Optimized teeth angle

4). Specialized teeth arrangement

5). Movable pilot holder(easy to replace teeth)

6). Conical body (protect drilling buckets from getting stuck )