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Since 1925 PIERON GmbH, a family business for four generations, has been producing technical springs for nearly all industrial fields. We focus on the automotive as well as on the electronics and sports equipment industry.
Our stuff
We promote team work and entrust our highly motivated employees with a maximum degree of confidence and responsibility.
Main areas of production
The most up-to-date production methods provide all possibilities of a wide range of production meeting the highest demands.
PIERON is a successfully operating enterprise on the market of technical springs. Wire and stamp-bending parts as well as special und structural components complete our classical range of products consisting of torsion and compression springs, spring and tension rings.
Our quality standard
We orientate on our customers needs. We offer individual advice and professional competence.
Individual solutions
Our customers greatly appreciate PIERON’s ability to develop intelligent solutions and to put them into practice quickly.

We are a manufacturer of clamps for pipes and tubes in Istanbul/Turkey.
Our product range is very wide. pipe clamps with nut connection, pipe clamps with standard bolt, pipe clamp with the long bolt is a just a few of our products kind. Please for more information and detail visit our webpage. For any inquiry or question feel free to contact us, you welcome.

Kometyay Ltd. has founded in 1989, we produce wire forms, springs, band materials.

Hinges from Hokon - robust piano hinges, torque hinges and spring hinges - resistant stainless steel hinges and spring hinges - turn latches and tension latches.

Zhongbo Railway Fastening Co.,Ltd is a factory that focus on manufacturing railway fastenings, fixings and railway materials. It’s certified by ISO9001:2000 Quality management system as well as by CRM and International Railway Association.
The team of Zhongbo is made up of the elites with more than ten years experience in this field. We have first class technical design, quality management, production control, especially the track bolts, screw spikes, rail clips as the standard manufacture in China.
Our factory is located at Taixing Industry Park, Taicang city, Jiangsu Province. It enjoys the advantage of transportation, and takes 20 minutes by driving to Shanghai in 20 minutes, and less than 1 hour to reach the Shanghai airport and seaport too. The nattiness of the factory and more than 100 facilities make sure the production capability reach 800 tons/month.
Our products are mainly exported to North America, South America, Europe and SEA etc. We can supply the complete sets of fasteners with the standard of UIC and AREMA. The complete sets of fastener include rail clips, rail pad, rail spikes, track bolts, rubber pad, insulators, shoulders, dowels and rail clamps. Our products had won the excellent praise of customers from Europe and America customers.
Our products include 3 series:
I Rail fastening and clamping products;
1. Clips and clamps: E series include:E1609,E1809,E1817,E2007,E2009,E2055 and W series include SKL1,SKL3,SKL12,SKL14,SKL75 and other clamps;
2. Square head screw spikes and hook spikes: Diameter 5/8,3/4,7/8,15/16,1”, length from 4” to 12”series spikes and Ss series include Ss5,Ss8,Ss23,Ss25,Ss36 spikes;
3. Clip Bolt and Track bolt: Clip bolts of the HS26, HS32 series, switch bolts, square head bolts, Insert Bolts and AREMA Track Bolt;
4. Insulators: Nylon insulators used for E Clips and Guide plates for SKL clips;
5. Dowels: Plastic and nylon dowels used for all kinds of screw spikes;
6. Shoulders: Assembly with all kinds of e Clips.
7. Insulating pad: Plastic, rubber and EVA pad Used for E clips and SKL clips;
8. Steel pad: Cast iron and forging steel pad used for E clips and SKL clips.
II Rail Jointing products:
1. Fish plate: America used 115RE, 132RE fish plates; Europe, Africa and Asia used UIC54, UIC60 fish plates, South America used TJ45, TJ57 fish plates and the UK used BS60, BS75 fish plates;
2. Fish bolts: Bolts used for the fish plates listed above;
3. Gauge rod: AREMA 1-1/4” and UIC, BS rail used gauge rods.
III High strength bolts and other non-standard fasteners:
1. Hex bolts；with the diameter over M24 DIN,ASTM, BS Hex bolts, grade 4.6,4.8,5.6,5.8,6.8,8.8,10.9,12.9;
2. All kinds of nuts, standard parts, washers, Construction Industry bolts and precision parts.
Core value of Zhongbo Railway Fastening Co., Ltd is:
1. Reliable quality: it matters thousands of people’s lives, so quality is our life;
2. Innovation: it’s our ongoing pursuit, with decades of years’ experience in designing and manufacturing railway fastenings, we are looking for worldwide customers to share the drawings, samples and parameters to make us develop the products with customer together;
3. Satisfactory service: Serve and make every customer satisfied;
Zhongbo Railway Fastenings Co., Ltd would serve the world railway industry and work for the safe, swift railway transportation.

Founded in 1909 our company is specialized in the manufacturing of technical springs used in all industrial branches all over the world.
Each of our products is produced as desired by our customer and is adjusted to their purpose. Hence our products provide a variety of functions and molds.
Frequently we could support our customers with our experience to design and develop their individual product. Hence testing times can be shortened and we can help you to simplify the producibility of your product. With decades of know-how, our qualified engineers and skilled workers ensure the best possible relation between performance, design and costs for your product. Please do not hesitate to contact us directly.