SummaryChangchun Sunday Optics Co., Ltd. is identified as a Chinese manufacturer/factory specializing in optical components, including lenses, prisms, windows, filters, coatings, and optical assemblies. The supplier reports ISO 9001 certification, more than 10 production lines, 41–50 quality-control staff, 6–10 years of combined R&D engineer experience, and annual processing capacity of up to 1 million pieces. It also states that it supports both sample orders and mass production and provides after-sales service. The supplier has exported since 2013 and holds self-operated import and export rights. However, the supplied information does not provide sufficient evidence to assess financial credibility, product-specific customization capability, or the quality and scale of customer cases.
Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory and describes its own optical-component production activities, including lenses, prisms, filters, coatings, and assemblies. This supports direct manufacturing capability rather than only trading or distribution.
CertificationsThe supplier reports holding ISO 9001 certification, indicating that a quality-management-system certification is claimed. No certification number, issuing body, scope, or validity period is provided.
After-Sales capabilityThe supplier explicitly states that it provides after-sales service for product questions to achieve customer satisfaction. The information does not specify response times, service channels, warranty terms, or service coverage.
Production capacityThe supplier reports more than 10 production lines, 41–50 quality-control staff, multiple branches, and annual processing capacity of up to 1 million pieces, with support for sample orders and mass production. Its stated equipment covers cutting, grinding, polishing, coating, and gluing, providing explicit evidence of substantial optical-component production capability.