HY STAR RUBBER AND PLASTIC TECHNOLOGY ZHENJIANG CO.,LTD. as a professional Φ20mm customized aluminum cap manufacturer and supplier in China, all the Φ20mm customized aluminum cap have passed the international industry certification standards, and you can be completely assured of quality. If you do not find your own Intent Φ20mm customized aluminum cap in our product list, you can also contact us, we can provide customized services.