一道本AV无码在现播放,青青草成人免费观看视频 ,91久久国产欧美日韩,日日碰狠狠添天天爽无码AⅤ,国产精品免费看久久久无码,无人在线视频高清免费观看,国产日韩久久免费影院

Stock Code
300946.SZ
Product Center
STEEL RULES

Hengerda utilizes superior quality materials in production of steel rules. The edge sharpness of shaved and ground bevels got enhanced by high-frequency quenching. The proper combination of edge and body hardness ensures high performance and longer lifetime of products. Hengerda can also increase body hardness to 45HRC while maintaining high toughness of the product according to customer requirements. Hengerda provides a wide range of products for your selection, which can apply to different cutting jobs.
Hengerda can also offer customized services. Please don't hesitate to contact our team if you have special requirements such as hardness of edge and body, thickness, heights, bevel angles, and profiles, etc.

Applications
上海云集培训学校有限公司 | 周口豫东职业培训学校有限公司| 长春一番外语培训学校有限公司 | 兰州市七里河区会师文化培训学校有限公司 | 岳阳市湘军科创中等职业技术学校有限公司 |