A few days ago I read "Today Yuhuan", see the October 8, 2007 line reads: "In 1982, with Sand Casting Process-based enterprises run by the village clerk hose, from the introduction of a foreign trade company in Qingdao ball processing of samples and a single small business … … from the beginning the primary copper valves production. " In fact, the beginning of any construction experience, as he had exposed in 1981 that Japanese businessmen Yuhuan first hand from the copper ball sample, to see there were only 3 million orders, plus a few people you have a word, I have a phrase, racing to develop brass ball valve, the old He chose to give up quietly. He did not want the old unintentional positive outcomes, the original partner of the production of copper valves a few friends, a few years effort, have earned at least the first bucket of gold Dangdang. To the "1997 Asian financial crisis", plumbing valve industry valve developed countries to China to seize the great opportunity to produce and promote the rapid expansion of business scale. Subsequently the valve industry in Yuhuan snowball and the old lie that period, quietly diverted, to start the valve mold.
    Initiation of the development of the idea of nylon valve

    Short 20 years.
    Since 2005, copper prices soared, profits slipped to the bottom line of copper valves below the valve to reduce weight by some enterprises to maintain their livelihood, their last legs … … He built the early years of playing with the ball valves dealings, knowing against the soaring price of copper The fundamental way out is to find a suitable alternative materials, other people also looking for alternative materials, ceramics, plastics, stainless steel, ductile iron valves have on stage, a Changba, one was underway. There was an episode, about a Truman who tried plastic and other materials, I find that difficult to take the color of ceramics, low cost and environmentally friendly features, developed a ceramic faucet, he hoped to sell himself as a creative rather than labor.

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