The 300ml glass is a new design, through excellent processing technology and high-quality raw materials, the performance of 300ml glass up to a higher standard. We are perfect for every detail of the 300ml glass, guarantee the quality level, so as to bring you the perfect product experience. LION PROMOS is a professional China 300ml glass manufacturer and supplier, if you are looking for the best 300ml glass with low price, consult us now!