@media screen and (max-width:641px){
	
	.header{
		width:100%;
		text-align:center;
	}
	.logo a{
		float:none;
	}
	.logo img{
		margin-bottom:20px;
	}
	.header-right{
		width:100%;
		text-align:center;
	}
	.responsive-menu{
		width:100%;
		float:left;
		border-left:1px #d97700 solid;
		border-right:1px #d97700 solid;
		display:block;
	}
	.menu{
		display:none;
	}
	.welcome h2{
		padding:0 0 10px 0; 
		margin:0 0 10px;
		border-bottom:1px #ccc dashed;
		font-size:20px;
		font-weight:600;
	}
	.about h2{
		padding:0 0 10px 0; 
		margin:0 0 10px;
		border-bottom:1px #ccc dashed;
		font-size:23px;
		font-weight:600;
	}
	.footer-social{
		float:left;
		width:100%;
		text-align:center;
		margin-bottom:12px;
		margin-left:0px;
	}
	.index-img2{
		display:none;
	}
	.footer-logo{
		width:100%;
	}
	.factory-img{
		float:left;
		width:190px;
		height:140px;
		border:1px solid #ccc;
		margin-right:5px;
		margin-bottom:20px;
	}
	.factory-img-last{
		float:left;
		width:190px;
		height:140px;
		margin-right:5px;
		border:1px solid #ccc;
		margin-bottom:10px;
	}
	
}