CNC Feinmechanik Berlin e. K. has been manufacturing high-precision turned and milled parts of all kinds for more than 40 years, supra-regionally and across all industries, and specializes in precision mechanical components and small and medium series. We distinguish ourselves by a high quality standard and our reliability. Our customers can rely on maximum flexibility even in the event of unforeseen changes. Our extensive machine park also allows us to manufacture complex sample parts and individual parts with great precision from all machinable non-ferrous metals, steels, plastics and magnesium alloys according to your technical drawings and specifications.

We specialize in manufacturing simple workpieces to complex turned and milled parts with the greatest precision. Prototypes and individual parts are produced in small, medium and large series, including their surface treatment and refinement.

Our machinery ranges from saws and automatic lathes to state-of-the-art 5-axis CNC milling centers and covers an area of approx. 2,500 m².

With the use of CAD/CAM programming (Siemens NX), we achieve maximum accuracy and cost-effectiveness in the manufacture of your precision parts.

In order to accompany you throughout the value chain, we expand our core competencies with a network of long-standing partners from the region.

We also offer all services in the field of sheet metal processing and the associated surface treatment and finishing.

In addition, we take over the assembly of components and assemblies for you. We have been working closely with our partner OLPE Jena GmbH for many years for the assembly of complex assemblies and systems, especially under clean room conditions.

From the idea to the product, everything from a single source.

CGS Srl is born as artisan company at the end of the sixties to assume, more and more, in the years a real industrial structure; currently it occupies an area of 1500 square meters where work about twenty employees.

CGS manufactures a wide range of products including precision components and small parts, drawing fittings for the earthmoving industry, agricultural machinery and oleodynamic systems, as well as components ready for a wide range of industries; They complete the range of transmission organs such as angle heads and jacks and magnetic devices, solenoids and rigators.

Thanks to decades of experience and the sensibility and attention for the demands of the clients, CGS Srl is able to offer personalized solutions and high quality by ensuring advice and assistance in the phase of pre-sale until delivery.

The technological adjustment and the continuous search of operation models more and more to the state-of-the-art allow CGS to propose to the own clients efficient and effective solutions both beginning from the particulars present in catalog and beginning from the sketches and from the specific applications of the clients. This approach based on the support to the client and aimed to the flexibility allows CGS to affirm its own presence on the Italian and European market more and more.

Turning, finishing and treatments

CGS is equipped with two production units that perform all the necessary turning operations, organizing overlapping production to ensure a total daily production capacity of approximately 60,000 hours on 17 turning centers.
CGS Srl is able to realize precision components with diameter between 3 and 70 mm; the worked materials embrace the whole range of the automatic steels,from reclamation, cementation and good part of the stainless further to brass, aluminium, bronze, copper and plastic materials.

Finishing works

CGS also has a specialized department in the following stages of finishing:
- Reaming, Tumbling, Milling with No 2 vertical machining centers, Lapping, Countersink, Deburring, Surface rolling, Assembling with the possible management of commercial components or supplied by the customer, Micropunting Marking.

Grinding processes

The department designated about grinding works performs the following manufacturings:

- Centerless and Plunge grinding with tolerance of 3-5 microns and roundness of 50% tolerance
- Grinding on centers, surfaces, centerless and superfinishings where tolerances are outside of what we can obtain internally.

CGS guarantees accurate control of the quality of the works implemented, and therefore of the finished detail delivered to the customer.

Washing the parts with ultrasonic and vacuum technology

- For all the details that need to treated, they are washed at the CGS production department, before starting the external treatment required to obtain the best result in terms of quality and efficacy of the treatment itself;
- All untreated ferrous items are delivered after a suitable washing phase during which a protective substance is applied, with a guaranteed 3-month standard length, which can be extended on request.

Chiarini Tornerie begun the activity in 1996 as subcontractor for precision turned parts.
Thanks our continuous growth and investement, now we operate a wide range of machines and we are able to offer CNC Turning operations with very small tolerancies in small and medium size lots.

We are specialized in hard turning.

Diameters: from 25 mm up to 600 mm
Lenght: from 10 mm to 1000 mm
Materials: carbon steel, stainless steel, aluminium

Chiarini Tornerie enjoys an excellent reputation with their existing customers for service and quality at competitive prices.

We can assure you flexible deliveries according to your requirements and your needs.

We had established Jinhua Jianchuang Metal Tools Co., Ltd. in 2005. The whole management team had worked in German manufacturing company in China for over 8 years. The European style of management and high quality has taken root in our company.

We specialize in OEM products of sheet metal parts and MIG/MAG & TIG welding parts, including metal spare parts, sub assembly and whole assembly unit. All the products have been exported to the USA and Europe.

We value long term relationship with our customers. Your success makes us successful.