Founded in 1963, Specializes in making high-precision, quality, stable piston rings backed by innovative facilities from Japan and Europe, also being ISO 9001:2008 certified. And in 2017 Advanced Edition being ISO9001:2015 certified.

As internationally recognized supplier, we design, manufacture and sell high-quality piston rings in cast iron, nodular cast iron, chromium-molybdenum alloy steels, and high-carbon steels, including
standard compression rings, chrome-plate rings, oil rings, step out rings, hooker rings, and nitrided rings fully meeting customers' requirements.

Our products are widely used in internal combustion engines for cars, motorcycle, ships, model planes, generators, mowers, chainsaws, mist generators, gas nailers, and agricultural machines; hydraulic transmissions, forklifts, conveyors, excavators, and spindles and cylinders for dump trucks; electric air compressors, chillers, and air conditioners.

We are recognized for optimal quality, S.P.R.-branded piston rings, being an OEM, also interested in marketing partnership, offering competitive prices, full-scale service, due to operation’s strategy’s demand in 2020, transfer to “TRADE” type’s commercial mode.

While expanding markets globally, we strive to better serve buyers with more quality-enhanced products.

本公司創始於1963年，是活塞環專業製造廠商，早期由傳統機械製造生產開始；後又引進日本及歐洲之新穎專業設備，生產高精密度、高品質、高穩定性，值得信賴之產品。並於2012年取得ISO 9001-2008版品質認證登錄。且於2017年進階取得ISO9001-2015版認證登錄。

本公司為研發﹑製造，行銷之專業製造廠，且為國際性大廠驗證通過列為合格供應商。本公司所生產之高品質活塞環，材質包含 : 一般鑄鐵、球墨鑄鐵、鉻钼合金鋼材、及高碳鋼線材，所製造之成品分有 : 一般壓縮環、電鍍環、油環、階梯環、勾口環及氮化環，完全可以符合客戶需求。

本公司產品廣泛使用於如下各種動力機械 :

1. 內燃機引擎如:汽車、機車、船舶、模型飛機、發電機、.割草機、鋸木機、噴霧機、瓦斯釘槍、及農用機械﹑﹑﹑等。
2. 油壓機如:變速箱、堆高機、 搬運機、挖土機、沙石車車斗頂起油壓軸、油壓缸等油壓機械。
3. 電力驅動如:空壓機、冷凍機、冷氣機等壓縮機械。
4. 油封系列之活塞環。

本公司所生產之 " S.P.R. "品牌活塞環以適佳的品質取得客戶的信賴，並以OEM方式合作行銷或具競爭力之成本，全方位之服務與優質之專業技等，行銷國際世界各地，且因營運策略之考量，於2020年轉型以貿易型態為主之商業模式運作。

永續經營是我們的理念，滿足客戶需求是我們的承諾，勞資雙贏是我們的責任，突破創新是我們的準則，持續改善追求卓越是我們的信念，引導市場品牌是我們的目標。