The United State Congress is considering passing a similar law.
New Jersey, which passed a similar law a few years ago, requires sites charging membership fees to make clear whether or not they conduct background checks when people sign up.
Media bosses hope other countries might do the same although Germany, worried about privacy, recently decided against adopting a similar law.
Cities like Chengdu, Wuhan and Qingdao have similar laws.
England's ban doesn't apply to other regions in the U.K. such as Scotland, where the implementation of a similar law has been held up by litigation.
The effect of pulse parameters on micro-hardness and stretch strength correspond to similar law, but different slightly.