Informe de pruebas

We received an official third-party testing report issued by SGS-CSTC Standards Technical Services Co.,...

As part of our material sourcing and documentation review, Haosen Jewelry works with Qingdao Shenghuake...

This stainless steel earring nickel release test report shows a third-party testing case using products...

This article summarizes the finished-product REACH test report for gold onyx round cufflinks, issued...

See the REACH test results for Haosen Jewelry gunmetal cufflinks and tie bars, including nickel release,...

Haosen Jewelry reviews an Intertek-issued GRS 4.0 Scope Certificate covering post-consumer recycled PE...

Material safety is a key consideration in jewelry manufacturing. Choosing the right metal material ensures...

At Haosen Jewelry, material quality control starts before jewelry production begins. For brass and copper-based...

Haosen Jewelry's 2026 earrings REACH test report: total lead, cadmium, & nickel release are all "Not...

Discover Haosen Jewelry’s latest SGS test report for our 316L stainless steel bars. With all restricted...

This article introduces Haosen Jewelry, a leading B2B sustainable leather jewelry manufacturer that utilizes...

Este artículo presenta el informe de prueba SGS para los anillos de ombligo de titanio F136 de Haosen, confirmando que...

Esta publicación comparte el informe de prueba SGS de la pulsera de cobre ecológica de Haosen Jewelry, que verifica el cumplimiento total...

This blog post presents the SGS test report for Haosen Jewelry’s 316L stainless steel bar material, focusing...