Import 8mm Ceramic Koa Wood Rings — Buy in wholesale FOB from Supplier in China

Shenzhen Gostar Jewelry Co., Ltd. produces 8mm band rings combining a zirconia ceramic base with a polished koa wood inlay. The 8mm width is a standard men's band dimension, and the grooved design creates a channel setting for the wood element. The zirconia ceramic used is industrial-grade, which in jewelry contexts typically refers to yttria-stabilized tetragonal zirconia polycrystal (Y-TZP) with high hardness and scratch resistance. The koa wood inlay is polished and sealed, though the supplier does not specify the sealant type or moisture resistance rating. Ring sizes, exact inner circumference, and profile (comfort fit versus flat) are not listed and should be confirmed directly.

Zirconia ceramic rings measure approximately 8.5 on the Mohs hardness scale, compared to 10 for diamond and 7.5 for tungsten carbide. This makes them highly resistant to surface scratching in daily wear, though they can fracture under sharp impact due to ceramic brittleness. Koa wood (Acacia koa) is a dense hardwood native to Hawaii, valued for its rich grain and color variation from golden to deep reddish-brown. In ring construction, wood inlays require stabilization and sealing to prevent swelling, warping, or delamination with humidity exposure. The supplier mentions a polished finish but does not state whether the ceramic is polished before or after sintering, which affects surface longevity.

Target buyers include jewelry retailers, gifting businesses, and wedding band suppliers seeking alternative materials to precious metals. The dual-material construction appeals to buyers looking for hypoallergenic properties (zirconia ceramic is nickel-free) combined with organic aesthetics. The supplier indicates flexible MOQ terms without stating a figure. Trade terms mentioned include FOB and L/C. Buyers should confirm size range availability, whether half sizes are offered, and whether engraving or custom laser marking is available. The rings are positioned for both men and women, though the 8mm width is predominantly a men's sizing.

Shenzhen Gostar Jewelry Co., Ltd. is located at No.190, Baolong New Estate, Dalang, Bao'an, Shenzhen, 518109, Guangdong, China. The supplier holds a harbor trust tier classification. The response rate is shown as 0.00% with zero average response hours, indicating either minimal inquiry volume or unmonitored contact channels. Buyers should test responsiveness through multiple methods before committing to orders. No information is provided about factory size, production capacity, years in operation, or employee count.

The listing does not mention ISO certification, material sourcing documentation for the koa wood (such as CITES compliance, since Acacia koa is endemic to Hawaii and subject to conservation regulation), or independent testing for nickel release and hypoallergenic claims. The supplier does not state whether they manufacture in-house or source finished rings from subcontractors. Buyers requiring OEM customization, packaging design, or dropshipping arrangements should confirm capability and minimums directly.