Your search within this document for 'mills' resulted in two matching pages.
1

“...imported from Manila. These ropes have a ready sale locally and in China, and I noticed bales of hawsers being shipped for use in the oil wells of Burma. The manager informed me that the colour of the hemp was not so good as in former years. What struck me in the rope factory was the small amount of superintending native labour required, and what there was consisted mainly of small boys. Among other industries carried on by foreigners are several engineering and shipbuilding works, steam saw mills, two match factories, a glass works, a soap and soda factory (German), a feather cleaning and press packing works, an ice factory, and a steam laundry. There is also a paper mill fitted with British plant for the manufacture of Chinese paper, and a large flour mill with American machinery has recently been erected at Junk Bay. The latter is capable of turning out 400,000 lbs. of flour a day, and another mill of similar capacity is projected. The bran and refuse food-stuffs are to be used for fattening...”
2

“...contains. Most of this refined tin is sent to the different ports of China, the balance going to the United States and Germany. The refinery which I visited was the largest of the four and could turn out 8 tons of tin a day. In Hong-Kong there are several establishments engaged in the manufacture of vermilion, an operation which consists in subliming the black sulphide resulting from the heating of sulphur with quicksilver. The red sulphide is then pounded in mortars and ground with water in stone mills, the vermilion thus deposited being collected and dried on trays arranged in specially heated rooms. The above are examples of the principal foreign and Chinese industries carried on in Hong-Kong, but the subject attracting considerable attention in the colony at the moment is the con- struction of the Kowloon-Canton Railway. On the invitation of the Governor of Hong-Kong, I visited, along with his Excellency and Admiral Moore, the south end of the tunnel now being pierced through the main Kowloon...”