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We, TSM Prima Energia SPA. / Ronghui Quartz Material SCI-TECH Co., Ltd., is a leading silica material supplier and distributor from China. TSM actively supplies global first class silica products throughout the world. TSM has made a science out of meeting and exceeding expectations on price, quality, dependability, delivery and service. WHO WE ARE:  We founded in August 2009 with annual capacity of 25,000 metric tons of fused silica powder;  Be located in the highest quality and richest mining area: Xinyi- Donghai Silica Mining Area; A number of patents of invention and patents of utility model; Set up Joint Laboratory with Tianjin University in March 2011; Be certified to ISO 9001 and ISO 14001 certification since December 2011; Our Laboratory was awarded as Xuzhou Key Laboratory of Nano-Powder Silica Material in December 2011(Only two labotarories in Industrial and Mining Manufacture);  Our R&D Center (2 Professors and 4 Ph.Ds) was awarded as Jiangsu Province Engineering Technology Research Center of Nano-Powder Silica Material in December 2011(The only one in Jiangsu Province); Be awarded as High-Tech Enterprise in Jiangsu Province in August 2013.WHAT WE OFFER: Fused Silica Powder for Electronic Material Grade  Fused Silica for Investment Casting Grade  Fused Silica for Refractory Material Grade Fused Silica for Technical Ceramic Grade Fused Silica for PV Crucible Grade Crystal Silica Material SeriesWe always invite you to save your valuable time and money on your every purchase with us!

Ronghui Quartz Material SCI-TECH Co., Ltd. is professional in manufacturing the production of quartz/ silica material, the company was founded in August 2009, provincial new Hi-Tech corporation, has a number of patents of invention and patents of utility model. The company is located in No. 69 Renmin West road in Economic Development Zone in Xinyi of Jiangsu Province. The company covers an area of 200 acres, which is one of the largest silicon oxide material production enterprise at present. The company is located in the highest quality and richest mining area: Xinyi- Donghai Silica Mining Area, which will make full use of the excellent geographical location and resource advantage of Economic Development Zone in Xinyi of Jiangsu, perfect infrastructure facilities and company personnel, technology, capital, management, brand, culture and other aspects of competitive advantages, to make silica materials as the core, to seize upstream and develop downstream. The company is mainly in production of electronic grade obtuse quartz particles, silica powder, and liquid phase amorphous silica. It is a whole new type of silica material science and technology enterprise includes production, sales and research. The company built a world-class laboratory center, establishing a long-term cooperative relationship with the authority of scientific research institutes in the domestic. The company’s products are mainly for the electronic materials, photovoltaic materials, electrical insulating materials, rubber materials, plastic materials, technical ceramics, advanced materials, fine chemicals, investment casting, paint, refractory materials, medicine and many other industries. The company is certified the ISO 9001, ISO 14001 and 6S management system, using ERP to the procurement, production, sales and customer service, strict process control, to ensure that we can provide quality products for customers.

Ronghui Quartz Material SCI-TECH Co., Ltd. is professional in manufacturing the production of quartz/ silica material, the company was founded in August 2009, provincial new Hi-Tech corporation, has a number of patents of invention and patents of utility model. The company is located in No. 69 Renmin West road in Economic Development Zone in Xinyi of Jiangsu Province. The company covers an area of 200 acres, which is one of the largest silicon oxide material production enterprise at present. The company is located in the highest quality and richest mining area: Xinyi- Donghai Silica Mining Area, which will make full use of the excellent geographical location and resource advantage of Economic Development Zone in Xinyi of Jiangsu, perfect infrastructure facilities and company personnel, technology, capital, management, brand, culture and other aspects of competitive advantages, to make silica materials as the core, to seize upstream and develop downstream. The company is mainly in production of electronic grade obtuse quartz particles, silica powder, and liquid phase amorphous silica. It is a whole new type of silica material science and technology enterprise includes production, sales and research. The company built a world-class laboratory center, establishing a long-term cooperative relationship with the authority of scientific research institutes in the domestic. The company’s products are mainly for the electronic materials, photovoltaic materials, electrical insulating materials, rubber materials, plastic materials, technical ceramics, advanced materials, fine chemicals, investment casting, paint, refractory materials, medicine and many other industries. The company is certified the ISO 9001, ISO 14001 and 6S management system, using ERP to the procurement, production, sales and customer service, strict process control, to ensure that we can provide quality products for customers.

Qingdao Hongda Woven Straw Crafts Co., Ltd. is a bag manufacturers in China. We have attained ISO9001:2000 certificate, and have independent import and exports rights.Our factory is located in Pingdu City, Qingdao, China, and mainly produces all kinds of Eco-friendly bags and other sewing class products, including non woven bags, cotton bags, canvas bags, polyester bag, nylon bag, non woven laminated bag, ultrasonic non woven bag, drawstring bag and so on.