# Advance Manufacturers > Advance Manufacturers Co., Ltd is a family-run fine jewelry manufacturer and wholesale supplier based in Bangkok, Thailand, with over 30 years of experience and an output of over 3 million pieces per year. We manufacture OEM and custom-designed jewelry — earrings, pendants, necklaces, bracelets, rings, chains and hoops — in 8k to 18k gold, 925 sterling silver and brass, set with precious and semi-precious gemstones, natural and lab-grown diamonds, cubic zirconia and crystals. We also offer recycled metals, conflict-free gemstones and biodegradable packaging. ## Company - [Home](https://www.advmfr.com/): Overview of our manufacturing capabilities and product range. - [About Us](https://www.advmfr.com/about-us/): Company history, values and our team of over 400 employees. - [Certification & Sustainability](https://www.advmfr.com/sustainability/): Certifications, recycled metals, conflict-free sourcing and sustainable practices. ## Manufacturing - [Production Process](https://www.advmfr.com/production-process/): Step-by-step jewelry production — wax work, casting, enamelling, polishing, diamond setting. - [Design & Development](https://www.advmfr.com/design-development/): OEM custom design service — sketches, CAD modelling, 3D-printed masters and sampling. - [Gallery](https://www.advmfr.com/gallery/): Examples of gold and silver jewelry we produce. ## Contact - [Contact Us](https://www.advmfr.com/contact-us/): Enquiry form, phone +662-326-0985, email advance@advmfr.com, factory at Lat Kra Bang Industrial Estate, Bangkok. ## Optional - [News & Events](https://www.advmfr.com/news-events/): Trade fairs and company news. - [Privacy Policy](https://www.advmfr.com/privacy-policy/): How we handle personal data.