Sludge composting  Manufacturers, Traders, Suppliers

ViscoTec – Perfectly dosed:

ViscoTec Pumpen- u. Dosiertechnik GmbH manufactures systems required for conveying, dosing, applying, filling, and emptying medium to high-viscosity fluids. The headquarter is in Töging a. Inn (Bavaria). ViscoTec has subsidiaries in the USA, China, Singapore, India, France, Hong Kong and Denmark and employs about 340 people worldwide. Numerous sales partners all over the world complete the international distribution network. Next to technically sophisticated solutions to even the most complicated application, ViscoTec is the single point of contact to deliver all components for a complete system: From emptying to preparing and to dosing. This guarantees successful interaction of all components. All fluids showing a viscosity of up to 7.000.000 mPas can be conveyed and dosed almost pulsation-free and with extremely low shear. ViscoTec offers comprehensive consulting for every application and, if required, extensive tests will be carried out in close cooperation with the customer. The dosing pumps and systems are perfectly adapted to their respective application whether it is the food sector, the e-mobility industry, the aerospace field, the medical technology, the pharmaceutical industry, electronics manufacturing or many other branches.

RUF Maschinenbau – Global Leader in Briquetting Systems “Made in Germany”
As a family-run company with over 40 years of experience, we are pioneers and global market leaders in the field of briquetting systems. At our headquarters in Zaisertshofen, Bavaria, more than 190 employees design and manufacture modular hydraulic, mechanical, and extruder briquetting systems – customized for wood, metal, biomass, and many other materials.
Our Mission: Turning Residuals into Resources
Our briquetting presses transform production waste into valuable briquettes. The benefits: significant volume reduction, lower storage and transport costs, recovery of cooling lubricants, increased melting yields, and additional revenue from sellable end products.
Technical Diversity & Process Optimization
We offer a wide range of solutions – from compact plug-and-press units to fully automated 24/7 briquetting systems. Our machines are energy-efficient, durable, and easily integrated into existing production lines.
Sustainability & Quality by Conviction
Sustainability is at the core of our philosophy. Our presses reduce waste, optimize material cycles, and improve environmental performance. We also operate our own photovoltaic system that generates more energy than we consume. “Power made in Germany” stands for premium quality, high in-house manufacturing depth, and long-lasting machines with low wear.
Full-Service Provider & Personalized Support
From machine selection and test briquetting to commissioning, maintenance, and spare parts – we support you every step of the way. Our free, non-binding test briquetting using your own material ensures the optimal solution for your specific needs.
Global Presence, Local Support
With over 6,000 installed systems in more than 100 countries – backed by a strong international partner network – we are your trusted partner for resource-efficient briquetting solutions.
Why RUF?

• Over 40 years of experience in briquetting technology
• Tailor-made solutions for various industries (wood, metal, biomass, industrial sectors)
• Proven sustainability and cost efficiency
• Global presence combined with uncompromising “Made in Germany” quality

Tianjin North Star Technology Co., Ltd.was established in April 2023, the founder team has been deeply cultivated in the mining field for many years, and has rich experience in mineral processing process, mineral processing technology and mineral processing equipment. Relying on China's strong manufacturing capacity, we have integrated a number of famous mineral processing equipment manufacturers in China, and we are able to provide technical consulting, production and manufacturing of the whole process equipment of mineral processing plant from crushing, grinding to beneficiation (flotation, magnetic separation, reelection and photoelectricity sorting), dewatering, and dustproofing, etc., and we also have the top cooperation resources in the field of mineral processing plant intelligentisation and automation. The founder also has good cooperation with many domestic engineering companies and engineering design institutes. We can engage in the business of mineral processing plant design and equipment general contracting.