发黑处理的

With technology's revolution by days, competition sharply growth in nowadays, we make endeavors on improving and renovating our technology in metal surface treatment and importing new product category. The same time ,to meet the environment and market growing demand, our room temperature nigrescence and degrease reagents meet ROHS standards, achieved SGS certification finally.

科技月新日异，市场竞争日益加剧，热士化工针对新技术的发展与一向为客户所重视的产品稳定性，不断致力于产品的技术革新及先进和高质之金属表面处理技术、产品的引进，同时为了响应环保及满足市场需求，热市化工产品钢铁常温发黑剂及脱水防锈油已经达到欧盟ROHS指令的要求，并通过了SGS公司的认证。

With technological innovation by days, competitiveness sharply growth in nowadays, we make endeavors on improving and renovating our technology in metal surface treatment and importing new product category. The same time ,to meet the environment and market growing demands, our room temperature nigrescence and degrease reagents meet ROHS standards requirements ,with SGS certification achieved finally.

科技月新日异，市场竞争日益加剧，热士化工针对新技术的发展与一向为客户所重视的产品稳定性，不断致力于产品的技术革新及先进和高质之金属表面处理技术、产品的引进，同时为了响应环保及满足市场需求，我们众多产品中的钢铁常温发黑剂及脱水防锈油产品已经达到欧盟ROHS指令的要求，并通过了SGS公司的认证。

ReShi Chemicals is a specialist in manufacturing and distributing metal surface treatment reagent: phosphorus treatment reagent, water treatment reagents, electro-plating additive reagents, normal temperature nigrescence reagent, pre-treatment reagents ,etc.

是一家专业从事金属表面处理药剂：磷化处理药剂、水处理剂、电镀添加剂、钢铁常温发黑剂以及前处理产品的生产商和代理商。

ReShi Chemicals is a specialist in manufacturing and distributing metal surface treatment reagents: phosphorus treatment reagent, paints fog coagulating agent , electro-plating additive reagents, normal temperature nigrescence reagent, pre-treatment reagents ;refinishing paint total solutions; rare earth oxide compound ;offer burning inhabitor and deadening agent for rubber,special paints and Nylon industry.

专业为金属加工行业提供磷化处理药剂、水处理剂、电镀添加剂、钢铁常温发黑剂以及前处理产品；为汽车行业提供专业的汽车修补漆整套解决方案，喷漆房水处理解决方案；为玻璃陶瓷行业提供高性价比的稀土金属氧化物产品；为橡胶尼龙，涂料以及化妆品行业提供高效阻燃剂及消光剂。

We can also customize large size specialty parts and large size fasteners in stainless steel and copper. White zinc, blue-white zinc, five-color, blackening, nature coatings are available."Though small as the screws are, they have a lot of purposes."

同时生产不锈钢类、铜件栓类等各种材质的产品及大型异形件产品，可根据客户要求定做各种超长型号的紧固件，进行电镀白锌，蓝白锌，五彩锌，发黑，本色等多种表面工艺的处理。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。