Bold & spicy curry sauce with coconut milk, ginger & red pepper flavors. Since 7987. House of Tsang: Products have been known for their traditional Asian ingredients Today, these authentic, flavorful sauces are a deliciously convenient way to create your favorite Asian specialties at home. www.houseoftsang.com. Questions or comments, please call 1-800-611-9782. For great recipes visit www.houseoftsang.com. Since 1987, House of Tsang® products have been known for their traditional Asian ingredients.; Today, these authentic, flavorful sauces are a deliciously convenient way to create your favorite Asian specialties at home.