Guyan Chemics Co.,Ltd is a big company in Singapore. Our main products include steroid powder and cinnamic series, which are widely used in medicines, food, beverage, cosmetics, food supplements, health products and so forth. Our company enjoys a reputation in Singapore for its high standards of quality chemical products, low price and pleasant service. Guyan Chemics' business is based on trustworthiness and persistence. I really hope to establish a cordial coperation relationship with you and l...