... . 3. Delivery:7-30days 4.Availability:20,000tons/year "Wanjie" stainless steel grating has the characters of Light weight, heavy-duty, large ... products usually applied to Power plants, chemical plants, oil refineries, steel mills, paper mills, mechanic plants, cement plants, municipal engineering, sewage treatment ... , width, quantity and surface treatment. 4. If any enquiries, please contact us.