Founded in 1969, headquartered in South of Germany, our company is a professional manufacturer engaged in the research and development, production, sale and service of acid copper brighteners. We are a world famous multi-national electrochemical product manufacturer developed from an organic surface-active agent maker. Our acid copper plating brighteners and white and black trivalent chromium plating techniques are topping the industry and enjoying a high reputation. Our state-of-the-art technology enables us to be the leader of this industry.

Our company is mainly engaged in acid copper brighteners with well-equipped testing equipment and strong technical force. We conduct strict quality inspections over each product. All of our products are manufactured by advanced equipment through strict QC procedures in order to ensure high quality. With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in chemical industry and other industries.

To serve the clients in Asian and Pacific regions better, our company has established an office in South China. Shenzhen Tronic Metals Surface Technology Co., Ltd., as our representative, is responsible for operating and promoting OPASS brand in the Asian and Pacific regions. OPASS has become a reliable partner among Chinese clients. On April 22, 2010, OPASS won the honor of one of the top ten foreign brands in the world.

Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs. Now we are increasingly expanding our international market share based on quality products, excellent service, reasonable price and timely delivery. Please contact us at any time for more information.

We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.