CHENGSHUO | ENGINEERING CONCEPT REVIEW Reference concept: Tapered valve seat insert Page: https://chengshuoprecision.com/components/bushings-and-rings/tapered-valve-seat-insert/ Our component / drawing revision: [ ] Assembly and mating interfaces: [ ] Please review: 1. Seat, mating trim and valve-body sections with contact and retention details 2. Approved material pair, surface condition and any special finishing scope 3. Quantities, profile evidence and separate valve test method and limits Sample acceptance to agree: 1. Seating profile: Define taper, contact region, transitions and surface condition. 2. Locating land: Specify installed fit and datum connecting external and internal features. 3. Flow bore: Control passage size and intersection with seating profile. 4. Axial stop: Define flange or shoulder position against the receiving valve body. Material grade / finish: [ ] Sample / production quantities: [ ] Target timing / delivery destination: [ ] AI-generated engineering concept, not a production photograph or completed delivery. Feasibility, process route and acceptance criteria require review of our actual drawing.