Specialty chemical supplier Mayzo Inc. has announced the appointment of Van Horn, Metz & Company, Inc. as its North American distributor of additives to the plastics, coatings, inks, adhesives, rubber and lubricants markets.   “Van Horn, Metz has been a trusted supplier to the industry for more than 60 years,” said John Kenny, COO of Mayzo. “The company shares Mayzo’s core values – a focus on quality and service, deep customer relationships and a relentless drive to add value to their cust...