(GuangDong)Foshan Winsco Metal Products Co., Ltd. Quality Control

Strict Quality Control from Raw Material to Final Shipment

At WINSCO Metal, quality control covers every stage of stainless steel manufacturing, processing, packing and shipment. We guarantee correct material grade, precise dimensions, stable surface quality, accurate quantity and reliable delivery.

1. Raw Material Inspection
   We check incoming stainless steel for grade, thickness, size and surface condition before production, selecting materials strictly per customer order specifications.

1. Material Grade Verification
   Available grades: 201, 304, 304L, 316, 316L, 430. Material test and chemical composition analysis can be done upon request.

1. Dimension & Thickness Inspection
   We test thickness, width, length and other key dimensions. Custom tolerances are controlled as per drawings, samples or agreed specs.

1. Straightness & Shape Inspection
   For tubes and fabricated items, we inspect straightness, roundness, squareness and profile to match product requirements.

1. Surface Quality Inspection
   We check for scratches, dents, color difference and visible defects. Supports 2B, BA, No.4, brushed, mirror, PVD, embossed, water ripple finishes.

1. Processing & Detail Inspection
   We inspect cutting edges, weld seams, bending, polishing and other fabrication details during production.

1. Finished Product Inspection
   Before packing, finished goods are fully verified against order specs: material, dimension, surface, appearance, quantity and labels.

1. Packing & Quantity Verification
   We check quantity, weight, labels, protective packaging and custom shipping marks before shipment.

1. Container Loading & Final Shipment Inspection
   We inspect container loading status. Loading photos can be provided if needed.

Inspection Reports & Third-Party Inspection
Material certificates and inspection documents are available. Third-party inspection is welcome.