核废料<span class='red'>净化</span> 辐射区<span class='red'>净化</span>服务 400109<span class='red'>净化</span>有害材料 400109有害材料的<span class='red'>净化</span>处理 （利用微生物进行<span class='red'>净化</span>的）生物修复服务

400003空气<span class='red'>净化</span> 空气<span class='red'>净化</span>设备出租

水处理和<span class='red'>净化</span>

400042<span class='red'>金属</span>处理 400043<span class='red'>金属</span>回火 <span class='red'>金属</span>热处理 <span class='red'>金属</span>硬化 <span class='red'>金属</span>精炼 <span class='red'>金属</span>层压 <span class='red'>金属</span>钻孔 <span class='red'>金属</span>切割 <span class='red'>金属</span>焊接 <span class='red'>金属</span>钎焊 400018<span class='red'>金属</span>电镀 400100<span class='red'>金属</span>铸造 <span class='red'>金属</span>加工 <span class='red'>金属</span>冲压 <span class='red'>金属</span>蚀刻 <span class='red'>金属</span>雕刻 <span class='red'>金属</span>压铸 <span class='red'>金属</span>熔炼服务 <span class='red'>金属</span>镀釉 <span class='red'>金属</span>电镀及层压

空气<span class='red'>净化</span>装置 110138气体<span class='red'>净化</span>装置 气体<span class='red'>净化</span>设备 家用空气<span class='red'>净化</span>机器人 110207空气<span class='red'>净化</span>装置和机器

110135污水<span class='red'>净化</span>设备 雨水<span class='red'>净化</span>装置 自来水<span class='red'>净化</span>设备 污水<span class='red'>净化</span>装置 工业用水<span class='red'>净化</span>装置

110166空气<span class='red'>净化</span>用杀菌灯 紫外线卤素<span class='red'>金属</span>蒸气灯

炉用<span class='red'>金属</span>框架

熔化<span class='red'>金属</span>用熔炉

010021汽油<span class='red'>净化</span>添加剂 010354油<span class='red'>净化</span>化学品 燃料<span class='red'>净化</span>添加剂 污染区<span class='red'>净化</span>用化学品 010249<span class='red'>金属</span>硬化剂 010633<span class='red'>金属</span>腐蚀剂 010207<span class='red'>金属</span>着色用盐 <span class='red'>金属</span>电镀用化学成分 010472工业用肥皂（含<span class='red'>金属</span>） 010045促进<span class='red'>金属</span>合金形成用化学制剂 中和不锈钢、铁及各种颜色<span class='red'>金属</span>合金用化学品 用于制造<span class='red'>金属</span>铸件的氧化铁基铸造用砂添加剂 010737<span class='red'>金属</span>加工用除油以外的介电流体（化学制剂）

稀土<span class='red'>金属</span> 010039碱土<span class='red'>金属</span> 010390准<span class='red'>金属</span> 混合稀土<span class='red'>金属</span>

<span class='red'>金属</span>氯化物 <span class='red'>金属</span>氧化物 <span class='red'>金属</span>酸盐 有机<span class='red'>金属</span>化合物 010162稀土<span class='red'>金属</span>盐 工业用<span class='red'>金属</span>氧化物粉末 <span class='red'>金属</span>酸洗用酸

010393<span class='red'>金属</span>退火剂 010682<span class='red'>金属</span>回火剂 <span class='red'>金属</span>加工用淬火液 用于<span class='red'>金属</span>加工的回火用化学品 <span class='red'>金属</span>回火剂（回火化学制剂）

<span class='red'>金属</span>焊接用助剂

050005空气<span class='red'>净化</span>制剂

牙科用成形<span class='red'>金属</span> 牙科用<span class='red'>金属</span>底涂剂

工业用水<span class='red'>净化</span>设备的修理或维护 <span class='red'>金属</span>加工机械和设备的修理 <span class='red'>金属</span>加工机器和工具的修理或维护 <span class='red'>金属</span>加工用冲床的修理和维护