国产精品视频一区二区三区在3|97高清国语自产拍亚洲色|国产精品萝年轻在线播放|日本亚洲国产成人精品,国产精品成人嫩草影院,91污视频在线观看,国产又刺激又黄又免费的视频

The stainless steel reactor body can be made of austenitic stainless steel (S30408, S31603, S32168, S31008), duplex stainless steel (S22053, S22253), or composite plates of these stainless steels and carbon steels according to different media requirements.

The inner and outer surfaces of the kettle can be polished with high precision according to customer requirements, and food-grade sanitary accessories can also be configured according to customer requirements, which are widely used in the production of food and medicine.