Domestic industries being repeatedly exposed the phenomenon of excessive heavy metals, media, or comment with the relevant parties lack national mandatory standards must not be separated. Take the "tap" in such products perform mandatory national standard "ceramic seal faucets" (GB18145-2003) systems, and no one but their lead, mercury (Hg), cadmium (Cd) and other harmful substances volume content not issued relevant regulations. The National Building Hardware Plumbing Product Quality Supervision and Testing Center Deputy Director Shi Hongwei disclosed. New standard faucets contain lead, chromium and other harmful substances limited requirements made clear: no more than 5 micrograms per liter, and the United States INNOV-X production rohs analyzer detection limit of the standard. In the solar water heater industry, there are a dozen mandatory standards, but some are applying mandatory standards, has been reported to national authorities. Launch national mandatory standards, helps to supervise the manufacturers to improve quality and protect the interests of consumers. However, whether the mandatory national standard exists in many industries will be able to solve the problem of heavy metals exceeded, Wang Yu reservations. "Heavy metals exceeded widespread in the market, through GB to completely avoid difficult because good control of big business, small business is difficult, perhaps national policy-making, they should respect the guiding force, such as to encourage enterprises to produce alternative products , innovation and development of alloy categories of products, to make up for the lack of a single material. "for lack of harmful heavy metals exceeded forced GB everyone how to" protect themselves "First, choose residential areas water is good, good air, soil, less pollution, less industrial enterprises Regional production of agricultural products. Children to buy environmentally friendly lead-free toys. Second, diet diet drink plenty of water, more vegetarian, do not eat offal, drink milk. Milk proteins in the gastrointestinal tract to form a protective film, so little absorption of harmful substances in the human body, but also heavy metals can wrap up, is not absorbed was discharged. Third, household items crockery colors as simple as possible. Ceramic cup, especially crystal cup, heavy metals are often relatively high. Off do not use non-stick coating, the most primitive wok safest, produced the original is very simple, iron is a substance the body needs. 

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