The Sihai Company(full name is TANGSHAN Sihai Special Compound Material Products Limites Company)is organized together by the Jinchuang Company 、CNR Tangshan Locomotive&Rolling Stock Works and Chinese Academy Sciences Industry Company, it produces the glass fiber reinforced plastic and so on the compound material product ,is the large-scale industrial corporation. The company existing staff 200 people, high and intermediate technical and the administrative personnel 30 people, the worker technician multi- people. Has the fixed asset more than 13 million Yuan, vacuun attracts modeling machine and RTM injection machine equipment 10 and so on modelling machine.
       In order to adapt the railroad to surmount the type development and the factory craft makes the plan again, we invested the nearly 6 million Yuan from 2003.8to 2003.12, in the Tangshan Locomotive&Rolling Stock Works plant new designation company factory site to ,construct the domestic first-class glass fiber reinforced plastic product to make the workshop, and has provided the advanced equipment. The new factory district area 15,000 square meters, produce workshop area 5,200 square meters, the ancillary facilities 2,000 square meters, and reserves develops location nearly 8,000 square meters.The workshop setting is: glass fiber reinforced plastic product workshop, the overhaul glass fiber reinforced plastic product workshop, the PC material product workshop, the wooden model and the machining workshop and so on. The glass fiber reinforced plastic product workshop has the hand to stick and RTM injection product and so on craft production like overall bathroom, meanwhile the promising production necessary automation control heats up drying room three; Uses the advanced design method and the craft manufacture painting room; Completely conforms to the environmental protection requirement and the guarantee product quality.
     The company persisted "take the letter as this, take superiorly wins" as the objective. The company passed the ISO9001:2000 quality control system authentication to December 18, 2002, is the member unit of national glass fiber reinforced plastic association. The company absorbs scientific research unit high-tech and so on the Chinese Academy Sciences Industry Company,uses the RTM injection to take shape, the vacuum adsorption and so on the advanced technical method, causes the company product unceasingly to weed through the old to bring forth the new, the productivity promotes with steady steps. For the unceasing expansion produce market, causes the product quality to step to the internationalization level, in 2003 we succeed cooperated with DYNAPAC company which is the global biggest bulldozer manufacture enterprise to carry on the cooperation, produces the bulldozer protection cover for this company . At present has met order form 60. In 2004 estimated may produce 300.  The company all staff develops "is harmonious, professional, striving to improve, surmounting" the enterprise spirit, the zealous welcome from all walks of life friend develops the friendship and cooperation relations with our company, unceasingly expands the development glass fiber reinforced plastic and so on the compound material enterprise.