Ultra-heavy-duty casters casters ball high temperature casters doors and windows curtain hardware accessories, we all recognize backward, but why do not people to develop, it was felt that the hardware accessories too thin profits, and not worth the investment. Moreover, too little investment can be done hardware, so many years to not have a large investment in hardware accessories to rely on the foreign situation has been extended down. 
 Casters Ball Casters high temperature casters hardware accessories, the low level of profit is not high, but high-end profits are not thin, we have studied abroad hardware accessories profits accounted for 20% to 30% of the costs abroad (excluding import duties ) a new short-term hardware accessories even higher profits. The more important point is do not forget that China is a big country, China for one year requires a large quantity of amazing, such a big market, the same grade level hardware accessories than the foreign cost, low whole-effectiveness is not small, but very impressive. 
 Several domestic large some fame Hardware Factory equipment is old, not advanced, small-scale plant, poor management, many township enterprises, did not deviate from the hands of the workshop. The establishment of a new hardware factory is to be a big investment, whether foreign manufacturers together to do joint venture jointly set up factories in China, some domestic Ordnance Air Parts Factory, due to industry volume is too small enough to eat, advanced idle equipment investment in high-end hardware production should be no problem. In short, as soon as possible to change the doors and windows hardware fittings backward phenomenon. 
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