They had some very good welders and we are satisfying with their welding quality, specially with SS material.
他们拥有优秀的焊工，我们对其的焊接质量，特别是不锈钢的焊接质量非常满意。
The main material is SS which has high corrosion resistance longevity of service.
主体材料为不锈钢材料耐腐蚀性强，使用寿命长。
Stem material is SS 316 or other material equivalent to body at manufacturers option…
阀杆材料是316不锈钢或其它与阀体相同的材料，由制造商选择。
应用推荐