The profiles are manufactured by a special extrusion process then surface hardened and given a finishing treatment.

概况生产由一个特别然后挤压工艺和表面硬化整理给予治疗。

youdao

I-processing plant in the industry have more advantages for customers from product development to finished product surface treatment and finishing of the package of services.

我厂在机加工行业比较有优势，可为客户提供从产品开发到成品精加工及成品表面处理的整套服务。

youdao

The coating procedure thereof is described in terms of the material selection, substrate treatment, stain primer, binding primer, surface primer, finishing and et al.

分别对材料选择、底材处理、底着色、涂一道底漆、涂二道底漆、面修色、涂面漆工艺进行了处理。

youdao