China Refinery Catalytic Reactor Manufacturer for Refining Applications Refinery catalytic reactors - for fluid catalytic cracking, catalytic reforming, and hydrocracking - are large, high-pressure vessels holding catalyst under severe thermal and mechanical loads. A capable China manufacturer must deliver code-grade heavy-wall fabrication (ASME VIII, EN 13445, or GB/T 150), qualified welding, full volumetric NDT, and traceable materials, backed by verified hydrocarbon-vessel