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The Chinese market for Lithopone B301 is robust and competitive, with numerous manufacturers operating across the country. These companies, leveraging China's abundant raw material resources and efficient production capabilities, have been able to offer competitive pricing and consistent quality to global buyers. The strategic location of Chinese factories also facilitates easy access to both domestic and international markets, making it an attractive sourcing destination.

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The trend in the production of NPs is likely to lead to increasing amounts of nano-powders in the air, water and soil, which will consequently affect living organisms. Labielle et al. demonstrated that 25 % of Al(OH)3-coated TiO2 particles from sunscreens are dispersed as a stable colloid and become available to microorganisms and filter-feeders, while the remaining 75 % are probably incorporated into geogenic sediments, where they could become available to benthic fauna. Solar UV iradiation may penetrate as far as 20 m in the water column  and therefore photo-activate the dispersed particles, which may have an adverse effect on various aquatic organisms.

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