Testing Report
This article reviews CTT Report No. CTT2512010597ENR1 for 6 cm collar stiffeners submitted by H. GAVENTA...
This article reviews CTT report CTT2605017418EN for the Rainbow Oval Crystal Pendant, Model 42422, issued...
This article reviews CTT report CTT2604012847EN for round enamel cufflinks, model 42090, issued on April...
This article reviews PRECIOSA Test Report No. 9771, issued January 6, 2025, covering 117 glass crystal...
This article presents a PTC RoHS test report for a TC4 titanium rod sample submitted by Haosen Jewelry’s...
This SGS report covers zinc alloy ingots for casting, model ZnAl4/ZX01, supplied by SHENZHEN ZENGKE ALLOY...
This SGS test report covers SVHC screening for a cellulose acetate material/sheet from a material supplier...
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...
This article presents the SGS test report for Haosen’s F136 titanium belly button rings, confirming that...
This post shares Haosen Jewelry’s eco-friendly copper bracelet SGS test report, verifying full compliance...
This blog post presents the SGS test report for Haosen Jewelry’s 316L stainless steel bar material, focusing...